Term ends no later than Dec 14, 2026 · Medium confidence
20-year base term ended Apr 5, 2026
In force on USPTO's status record and by its fee record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.
Apr 5, 2006
Dec 14, 2026
Oct 4, 2016
This patent's term runs 253 days past its 20-year base term on prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 2 of 2 maintenance fees are paid so far. Confidence: Medium. from the record
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Apr 5, 2006, when application 11/399,001, the earliest non-provisional in its chain, was filed (this one was filed Feb 24, 2014) | Apr 5, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +253 days, USPTO patent term adjustment record | Dec 14, 2026 | High confidence |
| Terminal disclaimer cap | Disclaimer on file (approved), reference document not resolved | no cap applied, and none guessed | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | no later than Dec 14, 2026 | Medium confidence |
This family
| US 8,032,889 | Lapsed on the fee record Oct 2023 | Oct 2023 |
| US 8,661,446 | Lapsed on the fee record Feb 2026 | Feb 2026 |
| US 9,459,919 | this patent no later than Dec 2026 | no later than Dec 2026 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Teac Aerospace Technologies, Inc. | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Telair International GmbH | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Telair International AB | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Nordisk Aviation Products As | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Turntime Technologies AB | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Aerocontrolex Group, Inc. | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Transicoil Inc. | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Southco, Inc. | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Whippany Actuation Systems, LLC | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Young & Franklin Inc. | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Armtec Countermeasures Co. | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Advanced Input Devices, Inc. | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Armtec Defense Products Company | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Joslyn Sunbank Company LLC | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Leach International Corporation | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Souriau USA, Inc. | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | NMC Group, Inc. | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Ta Aerospace Co. | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Mason Electric Co. | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Korry Electronics Co. | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Palomar Products, Inc. | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Rolls-Royce PLC | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Memtron Technologies Co. | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Chelton, Inc. (N/K/A Chelton Avionics, Inc.) | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Simplex Manufacturing Co. | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Apical Industries, Inc. | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Aero-Instruments Co., LLC | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Airborne Systems NA, Inc. | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Harcosemco LLC | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Harco, LLC (N/K/A Harcosemco LLC) | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Pexco Aerospace, Inc. | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Telair US LLC | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Calspan Aero Systems Engineering, Inc. | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Calspan Systems, LLC | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Adams Rite Aerospace, Inc. | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Acme Aerospace, Inc. | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Schneller, Inc. | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Jun 6, 2024 reel/frame not recorded | The Bank of New York Mellon Trust Company, N.A., as Trustee | Cef Industries, Inc. | Release of Patent Security Agreement Recorded September 20, 2023 at Reel/Frame 064973/0517 |
| Sep 20, 2024 Reel 68951, frame 1 | Transdigm Group Incorporated; Transdigm Inc.; Transdigm UK Holdings Limited; 17111 Waterview Pkwy LLC; 4455 Genesee Street, LLC; 4455 Genesee Properties, LLC; 703 City Center Boulevard, LLC; Acme Aerospace, Inc.; Adams Rite Aerospace, Inc.; Aerocontrolex Group, Inc.; Aerosonic LLC; Airborne Acquisition, Inc.; Airborne Global, Inc.; Airborne Holdings, Inc.; Airborne Systems NA Inc.; Airborne Systems North America Inc.; Airborne Systems North America of CA Inc.; Airborne Systems North America of NJ Inc.; Amsafe, Inc.; Amsafe Global Holdings, Inc.; Angus Electronics Co.; Apical Industries, Inc.; Arkwin Industries, Inc.; Armtec Countermeasures Co.; Armtec Countermeasures Tno Co.; Armtec Defense Products Co.; Ashford Properties, LLC; Auxitrol Weston USA, Inc.; Aviation Technologies, Inc.; Avionic Instruments LLC; Avionics Specialties, Inc.; Avtechtyee, Inc.; Beta Transformer Technology LLC; Breeze-Eastern LLC; Bridport Holdings, Inc.; Bridport-Air Carrier, Inc.; Bridport Erie Aviation, Inc.; Bruce Aerospace, Inc.; Calspan Aero Systems Engineering LLC; Calspan Air Facilities, LLC; Calspan Air Services, LLC; Calspan Ase Portugal, Inc.; Calspan Holdings, LLC; Calspan, LLC; Calspan Jets LLC; Calspan Systems LLC; Calspan Technology Acquisition LLC; Cda Intercorp LLC; Cef Industries, LLC; Champion Aerospace LLC; Chelton Avionics, Inc.; Chelton Avionics Holdings, Inc.; Chelton Defense Products, Inc.; CMC Electronics Aurora LLC; CPI Intermediate Holdings, Inc.; CPI International, Inc.; CPI Subsidiary Holdings LLC; CTHC LLC; Dart Aerospace USA, Inc.; Dart Buyer, Inc.; Dart Helicopter Services, Inc.; Dart Intermediate, Inc.; Dart Topco, Inc.; Data Device Corporation; Dukes Aerospace, Inc.; Electromech Technologies LLC; Esterline Europe Company LLC; Esterline International Company; Esterline Technologies Corporation; Esterline Technologies Sgip LLC; FPT Industries LLC; Genesee Holdings, LLC; Genesee Holdings II, LLC; Genesee Holdings III, LLC; Harcosemco LLC; Hartwell Corporation; Heli Tech, Inc.; Hytek Finishes Co.; Iceman Holdco, Inc.; Iceman Intermediate Midco, LLC; Ilc Holdings, Inc.; Janco Corporation; Johnson Liverpool LLC; Kirkhill Inc.; King Nutronics, LLC; Korry Electronics Co.; Leach Holding Corporation; Leach International Corporation; Leach Mexico Holding LLC; Leach Technology Group, Inc.; Marathonnorco Aerospace, Inc.; Mason Electric Co.; McKechnie Aerospace de, Inc.; McKechnie Aerospace Holdings, Inc.; McKechnie Aerospace US LLC; Medtherm Labs, LLC; Microwave Power Products, Inc.; Nat Seattle Inc.; NMC Group Inc.; Nordisk Aviation Products LLC; North Hills Signal Processing Corp.; North Hills Signal Processing Overseas LLC; Norwich Aero Products, Inc.; Offshore Helicopter Support Services, Inc.; Palomar Products, Inc.; Paravion Technology, Inc.; Pexco Aerospace, Inc.; Power Device Corporation; Pneudraulics, Inc.; Raptor Labs Holdco, LLC; Raptor Labs Intermediate, LLC; Schneller LLC; Semco Instruments, Inc.; Sensor Concepts, LLC; Shield Restraint Systems, Inc.; Simplex Manufacturing Co.; Skandia, Inc.; Skurka Aerospace Inc.; Space Electronics LLC; Symetrics Industries, LLC; Ta Aerospace Co.; Tactair Fluid Controls Inc.; TDG Esl Holdings Inc.; Teac Aerospace Technologies, Inc.; Telair US LLC; Testvonics, Inc.; Texas Rotronics, Inc.; Transicoil LLC; Whippany Actuation Systems, LLC; Young & Franklin Inc. | The Bank of New York Mellon Trust Company, N.A. | Security Interest |
| Aug 26, 2025 Reel 72473, frame 485 | Transdigm Inc.; 17111 Waterview Pkwy LLC; 4455 Genesee Properties, LLC; 4455 Genesee Street, LLC; Acme Aerospace, Inc.; Adams Rite Aerospace, Inc.; Aerocontrolex Group, Inc.; Aerosonic LLC; Airborne Acquisition, Inc.; Airborne Global, Inc.; Airborne Holdings, Inc.; Airborne Systems NA Inc.; Airborne Systems North America Inc.; Airborne Systems North America of CA Inc.; Amsafe Global Holdings, Inc.; Amsafe, Inc.; Angus Electronics Co.; Apical Industries, Inc.; Arkwin Industries, Inc.; Armtec Countermeasures Co.; Armtec Countermeasures Tno Co.; Armtec Defense Products Co.; Ashford Properties, LLC; Auxitrol Weston USA, Inc.; Aviation Technologies, Inc.; Avionic Instruments LLC; Avionics Specialties, Inc.; Avtechtyee, Inc.; Beta Transformer Technology LLC; Breeze-Eastern LLC; Bridport Holdings, Inc.; Bridport-Air Carrier, Inc.; Bruce Aerospace Inc.; Calspan, LLC; Calspan Air Facilities, LLC; Calspan Air Services, LLC; Calspan Ase Portugal, Inc.; Calspan Holdings, LLC; Calspan Jets LLC; Calspan Technology Acquisition LLC; Cda Intercorp LLC; Cef Industries, LLC; Champion Aerospace LLC; Chelton Avionics Holdings, Inc.; Chelton Avionics, Inc.; Chelton Defense Products, Inc.; CMC Electronics Aurora LLC; CPI Edb Intermediate Holdings, Inc.; CPI Electon Device Business, Inc.; CTHC LLC; Dart Aerospace USA, Inc.; Dart Buyer, Inc.; Dart Helicopter Services, Inc.; Dart Intermediate, Inc.; Dart Topco, Inc.; Data Device Corporation; Dukes Aerospace, Inc.; Electromech Technologies LLC; Esterline Europe Company LLC; Esterline International Company; Esterline Technologies Corporation; Esterline Technologies Sgip LLC; FPT Industries LLC; Genesee Holdings, LLC; Genesee Holdings II, LLC; Genesse Holdings III, LLC; Harcosemco LLC; Hartwell Corporation; Heli Tech, Inc.; Hytek Finishes Co.; Iceman Holdco, Inc.; Ilc Holdings, Inc.; Janco Corporation; Johnson Liverpool LLC; King Nutronics, LLC; Kirkhill Inc.; Korry Electronics Co.; Leach Holding Corporation; Leach International Corporation; Leach Mexico Holding LLC; Leach Technology Group, Inc.; Marathonnorco Aerospace, Inc.; Mason Electric Co.; McKechnie Aerospace de, Inc.; McKechnie Aerospace Holdings, Inc.; McKechnie Aerospace US LLC; Medtherm Labs, LLC; Microwave Power Products, Inc.; Nat Seattle Inc.; NMC Group, Inc.; Nordisk Aviation Products LLC; North Hills Signal Processing Corp.; North Hills Signal Processing Overseas LLC; Norwich Aero Products, Inc.; Offshore Helicopter Support Services, Inc.; Palomar Products, Inc.; Paravion Technology, Inc.; Pexco Aerospace, Inc.; Pneudraulics, Inc.; Power Device Corporation; Raptor Labs Holdco, LLC; Raptor Labs Intermediate, LLC; Schneller LLC; Semco Instruments, Inc.; Sensor Concepts, LLC; Servotronics, Inc.; Shield Restraint Systems, Inc.; Simplex Manufacturing Co.; Skandia, Inc.; Skurka Aerospace Inc.; Space Electronics LLC; Symetrics Industries, LLC; Ta Aerospace Co.; Tactiar Fluid Controls, Inc.; TDG Esl Holdings Inc.; Teac Aerospace Technologies, Inc.; Telair US LLC; Testvonics, Inc.; Texas Rotronics, Inc.; Transicoil LLC; Whippany Actuation Systems, LLC; Young & Franklin Inc.; Airborne Systems North America of NJ Inc.; Bridport Erie Aviation, Inc.; Transdigm Group Incorporated; Transdigm UK Holdings Limited | The Bank of New York Mellon Trust Company, N.A., as Trustee | Security Interest |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
What's changing
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Dec 14, 2026. We will not guess the cap.