Lapsed Sep 11, 2026 on the fee record · High confidence
20-year base term ends Mar 11, 2033
Second maintenance fee unpaid; grace period ended.
Mar 11, 2013
Sep 11, 2026
Sep 11, 2018
Jan 29, 2035
Its term would have run to Jan 29, 2035: its 20-year base term plus 689 days of term adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. Confidence: High. from the record
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Mar 11, 2013, when application 13/794,073, the earliest non-provisional in its chain, was filed (this one was filed Jan 14, 2015) | Mar 11, 2033 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +689 days, USPTO patent term adjustment record | Jan 29, 2035 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,179,435) | resolves to Jan 29, 2035, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | lapsed Sep 11, 2026 | High confidence |
| Computed term end | The steps above, in order | Sep 11, 2026 | High confidence |
This family
| US 8,783,751 | Lapsed on the fee record Jul 2026 | Jul 2026 |
| US 8,955,896 | In force Mar 2033 | Mar 2033 |
| US 10,071,522 | this patent Sep 2026 | Sep 2026 |
| US 10,179,435 | In force Oct 2035 | Oct 2035 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Jan 14, 2015 Reel 34712, frame 496 | Porter, Steve, MR. | U.S. Farathane Corporation | Assignment of Assignor's Interest |
| Jan 24, 2018 Reel 44710, frame 897 | Strich, Gerald N. | U.S. Farathane Corporation | Assignment of Assignor's Interest |
| Mar 30, 2021 Reel 55767, frame 519 | U.S. Farathane Corporation | U.S. Farathane, LLC | Assignment of Assignor's Interest |
| Apr 6, 2021 Reel 55845, frame 928 | U.S. Farathane, LLC | Bank Of America, N.a. | Abl Security Agreement |
| Apr 6, 2021 Reel 55846, frame 28 | U.S. Farathane, LLC | Bank Of America, N.a. | Term Loan Security Agreement |
| Apr 7, 2021 Reel 55857, frame 173 | U.S. Farathane, LLC | Tmi Trust Company, As Agent | Security Interest |
| Jun 13, 2023 Reel 63984, frame 504 | Tmi Trust Company, As Agent | U.S. Farathane, LLC | Termination and Release of Security Interest in Intellectual Property |
| Jun 13, 2023 Reel 63985, frame 64 | Bank Of America, N.a. | U.S. Farathane, LLC; Chemcast, LLC | Release of Security Interest in Intellectual Property |
| Jun 13, 2023 reel/frame not recorded | Bank Of America, N.a. | U.S. Farathane, LLC | Release of Security Interest in Intellectual Property |
| Jun 13, 2023 reel/frame not recorded | Bank Of America, N.a. | Chemcast, LLC | Release of Security Interest in Intellectual Property |
| May 22, 2024 Reel 67490, frame 72 | Bank Of America, N.a. | U.S. Farathane, LLC; Chemcast, LLC | Release of Patent Security Interests (ABL) |
| May 22, 2024 Reel 67501, frame 539 | U.S. Farathane, LLC | Fifth Third Bank, National Association | Intellectual Property Security Agreement |
| May 22, 2024 reel/frame not recorded | Bank Of America, N.a. | U.S. Farathane, LLC | Release of Patent Security Interests (ABL) |
| May 22, 2024 reel/frame not recorded | Bank Of America, N.a. | Chemcast, LLC | Release of Patent Security Interests (ABL) |
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 resolved from the filed document, referencing US 10,179,435, ends no earlier than this term, so it caps nothing.