Collateral for a security interest recorded May 22, 2024 (Fifth Third Bank, National Association).
Lapsed Apr 5, 2026 on the fee record · Medium confidence
20-year base term ends Jan 19, 2037
Why Medium: A parent in the chain could not be resolved.
First maintenance fee unpaid; grace period ended.
Held by U.S. Farathane, LLC
Filed Jun 10, 2019 as application 16/435,676 · Granted Apr 5, 2022
Base term, 20 years from filing, plus 385 days of patent term adjustment (USPTO delay)
Today
Lapsed Apr 5, 2026
2017
2038
Clock starts
Jan 19, 2017
Jan 19, 2017
No longer in force
Apr 5, 2026
Apr 5, 2026
Granted
Apr 5, 2022
Apr 5, 2022
Term would have run to
Feb 8, 2038
Feb 8, 2038
base term
patent term adjustment
after the term ends
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
385
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 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.
3
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Feb 8, 2038: its 20-year base term plus 385 days of term adjustment for prosecution delay. Confidence: Medium. 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 Jan 19, 2017, when application 15/409,839, the earliest non-provisional in its chain, was filed (this one was filed Jun 10, 2019); a parent in its chain could not be resolved (the next row) | Jan 19, 2037 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +385 days, USPTO patent term adjustment record | Feb 8, 2038 | 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 | 0 of 3 maintenance fees paid | lapsed Apr 5, 2026 | High confidence |
| Computed term end | The steps above, in order | Apr 5, 2026 | Medium confidence |
This family
| US 10,808,744 | In force Jan 2037 | Jan 2037 |
| US 11,293,471 | this patent Apr 2026 | Apr 2026 |
2 of 3 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.
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 |
|---|---|---|---|
| Jun 10, 2019 Reel 49415, frame 613 | Porter, Steve | 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 385 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
2
later US patents cite this one
That is above the median of utility patents granted in 2022 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.