Collateral for a security interest recorded May 22, 2024 (Fifth Third Bank, National Association).
Lapsed Aug 21, 2026 on the fee record · High confidence
20-year base term ends Dec 26, 2032
Second maintenance fee unpaid; grace period ended.
Held by U.S. Farathane, LLC
Filed Feb 16, 2017 as application 15/434,905 · Granted Aug 21, 2018
Base term, 20 years from filing, plus 80 days of patent term adjustment (USPTO delay)
Today
Lapsed Aug 21, 2026
2012
2033
Clock starts
Dec 26, 2012
Dec 26, 2012
No longer in force
Aug 21, 2026
Aug 21, 2026
Granted
Aug 21, 2018
Aug 21, 2018
Term would have run to
Mar 16, 2033
Mar 16, 2033
base term
patent term adjustment
after the term ends
fee events
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
80
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
4
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 Mar 16, 2033: its 20-year base term plus 80 days of term adjustment for prosecution delay. 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 Dec 26, 2012, when application 13/726,771, the earliest non-provisional in its chain, was filed (this one was filed Feb 16, 2017) | Dec 26, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +80 days, USPTO patent term adjustment record | Mar 16, 2033 | 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 | 1 of 3 maintenance fees paid | lapsed Aug 21, 2026 | High confidence |
| Computed term end | The steps above, in order | Aug 21, 2026 | High confidence |
This family
| US 9,162,387 | In force Mar 2034 | Mar 2034 |
| US 9,744,710 | In force Feb 2033 | Feb 2033 |
| US 10,053,828 | Lapsed on the fee record Aug 2026 | Aug 2026 |
| US 10,052,808 | this patent Aug 2026 | Aug 2026 |
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 |
|---|---|---|---|
| Feb 16, 2017 Reel 41280, frame 895 | Porter, Steve; Brown, Timothy John | 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 80 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2018 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.