Collateral for a security interest recorded Mar 25, 2026 (Polaris Industries Inc.).
Term ends Nov 26, 2028 · High confidence
20-year base term ends Mar 21, 2028
Held by Overdrive Acquisition, LLC
Filed Mar 21, 2008 as application 12/052,812 · Granted Nov 9, 2010
Base term plus 250 days of patent term adjustment (USPTO delay)
Today
2008
2028
Clock starts
Mar 21, 2008
Mar 21, 2008
Term ends
Nov 26, 2028
Nov 26, 2028
Granted
Nov 9, 2010
Nov 9, 2010
base term
patent term adjustment
fee events
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
250
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
This patent's term runs 250 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. Confidence: High. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Mar 21, 2008, when this application, 12/052,812, was filed | Mar 21, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +250 days, USPTO patent term adjustment record | Nov 26, 2028 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Nov 26, 2028 | High confidence |
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| May 30, 2008 Reel 21021, frame 140 | Smith, Roger N.; Speirs, David L.; Stedry, Scott F. | Walbro Engine Management, L.l.c. | Assignment of Assignor's Interest |
| Jul 5, 2011 Reel 26544, frame 311 | Walbro Engine Management, L.l.c. | Ableco Finance LLC, as Collateral Agent | Grant of a Security Interest - Patents |
| Jul 11, 2011 Reel 26572, frame 124 | Walbro Engine Management L.L.C. | FSJC VII, LLC, as Administrative Agent | Grant of a Security Interest - Patents |
| Sep 24, 2012 Reel 29015, frame 549 | Ableco Finance LLC | Walbro Engine Management, L.l.c. | Release of Security Interest |
| Sep 24, 2012 Reel 29015, frame 608 | FSJC VII, LLC | Walbro Engine Management, L.l.c. | Release of Security Interest |
| Nov 14, 2012 Reel 29299, frame 644 | Walbro Engine Management L.L.C. | Mizuho Corporate Bank, Ltd. | Security Agreement |
| May 15, 2015 Reel 35685, frame 736 | Mizuho Bank, Ltd. (Formerly Mizuho Corporate Bank, Ltd.) | Walbro Engine Management L.L.C.; Walbro Japan Ltd. | Release of Security Interest |
| May 15, 2015 reel/frame not recorded | Mizuho Bank, Ltd. (Formerly Mizuho Corporate Bank, Ltd.) | Walbro Engine Management L.L.C. | Release of Security Interest |
| May 15, 2015 reel/frame not recorded | Mizuho Bank, Ltd. (Formerly Mizuho Corporate Bank, Ltd.) | Walbro Japan Ltd. | Release of Security Interest |
| Oct 26, 2021 Reel 57915, frame 33 | Walbro Engine Management, L.l.c. | Walbro LLC | Change of Name |
| Nov 8, 2021 Reel 58055, frame 101 | Walbro LLC | Jpmorgan Chase Bank, N.a. | Security Interest |
| Feb 1, 2024 Reel 66444, frame 79 | Jpmorgan Chase Bank, N.a. | Walbro LLC | Release of Security Interest |
| Jun 18, 2025 Reel 71674, frame 688 | Airtex Industries, LLC; Airtex Products, LP; Apc Intermediate Holdings, LLC; Apc Parent, LLC; Asc Industries, Inc.; Autolite Operations LLC; Avm Export, Inc.; Bpi Acquisition Company, LLC; Bpi Ec, LLC; Bpi Holdings International, LLC; Brake Parts Inc. China LLC; Brake Parts Inc. India LLC; Brake Parts Inc. LLC; Cardone Industries, Inc.; Carrand Companies, Inc.; Carter Carburetor Holdings, LLC; Carter Carburetor, LLC; Carter Fuel Export, Inc.; Carter Fuel Systems, LLC; Champion Laboratories, Inc.; CWD Holding, LLC; CWD Intermediate Holdings I, LLC; CWD Intermediate Holdings II, LLC; CWD, LLC; Dalton Corporation; Dalton Corporation, Kendallville; Manufacturing Facility Dalton Corporation, Ashland; Manufacturing Facility Dalton Corporation, Stryker Machining Facility Co.; Dalton Corporation, Warsaw Manufacturing Facility; Eagle Casting, LLC; Eagle Machining, LLC; First Brands Group Intermediate, LLC; First Brands Group, LLC; Fram Group IP LLC; Fram Group Operations LLC; Framauto Holdings, LLC; Fuel Filter Technologies, Inc.; Global Reman Ventures, LLC; Heatherton Holdings, LLC; Hopkins Acquisition, Inc.; Hopkins Manufacturing Corporation; Horizon Euro Finance LLC; Horizon Global Americas Inc.; Horizon Global Company LLC; Horizon Global Corporation; Horizon International Holdings LLC; Ibi International Holding Company, Inc.; International Brake Industries, Inc.; Jasper Acquisition Corp.; Jasper Rubber Products, Inc.; Ktri Holdings, Inc.; Ktri Offshore Holdings, LLC; Longman Enterprises, Inc.; PHNX Acquisition Corp.; Premier Marketing Group, LLC; Pylon Manufacturing Corp.; Pylon South Bend, Inc.; Qualis Automotive, L.l.c.; Qualis Enterprises, LLC; Qualitor Acquisition Inc.; Qualitor Automotive, LLC; Qualitor Subsidiary H, Inc.; Qualitor Subsidiary S, Inc.; Qualitor, Inc.; Reman Management International LLC; SDC TX, LLC; Smart Choice, LLC; Specialty Pumps Group, Inc.; Strongarm, LLC; Tae Brakes, LLC; Tae China Holdings, Inc.; TMD International Holdings LLC; TMD Mexico LLC; Toledo Molding & Die, LLC; Transportation Aftermarket Enterprise, LLC; Trico Holding Corporation; Trico Products Corporation; Trico Technologies Corporation; Tridonex USA LLC; Uci Acquisition Holdings (No. 4) LLC; Uci International Holdings Parent, Inc.; Uci International Holdings, Inc.; Uci International, LLC; Uci Pennsylvania, Inc.; Uci-Airtex Holdings, Inc.; United Components, LLC; Universal Auto Filter LLC; Viper Acquisition I, Inc.; Viper Acquisition, Inc.; Walbro LLC; Walbro Midco LLC; Wem US Co. | Glas USA LLC | First Lien Intellectual Property Security Agreement |
| Mar 16, 2026 Reel 75110, frame 1 | Walbro LLC (F/K/A Walbro Corporation and Walbro Engine Management, L.L.C.); Walbro Co., Ltd. (Also Known as Walbro KK); Walbro International Holding B.V. | Overdrive Acquisition, LLC | Assignment of Assignor's Interest |
| Mar 25, 2026 Reel 75242, frame 950 | Overdrive Acquisition, LLC | Polaris Industries Inc. | Security Interest |
| Mar 25, 2026 Reel 75247, frame 779 | First Brands Group Holdings, LLC | Walbro LLC (Formerly Known as Walbro Engine Management, L.L.C.) | Statement Regarding Release of Liens in Patents, Including Lien in Favor of Glas Usa LLC Recorded at R/F 071674/0688 |
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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Nov 2028
Term ends Nov 26, 2028. No further fees fall due before then
Note
The 250 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
13
later US patents cite this one
That is above the median of utility patents granted in 2010 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.