Lapsed Apr 15, 2026 on the fee record · High confidence
20-year base term ends Jun 10, 2028
Third maintenance fee unpaid; grace period ended.
Held by Hexcel Reinforcements, S.A.S.
Filed Dec 2, 2009 as application 12/602,683 · Granted Apr 15, 2014
Base term, 20 years from filing, plus 810 days of patent term adjustment (USPTO delay)
Today
Lapsed Apr 15, 2026
2008
2030
Clock starts
Jun 10, 2008
Jun 10, 2008
No longer in force
Apr 15, 2026
Apr 15, 2026
Granted
Apr 15, 2014
Apr 15, 2014
Term would have run to
Aug 29, 2030
Aug 29, 2030
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
810
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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 Aug 29, 2030: its 20-year base term plus 810 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 Jun 10, 2008, when application PCT/FR2008/051035, the earliest non-provisional in its chain, was filed (this one was filed Dec 2, 2009) | Jun 10, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +810 days, USPTO patent term adjustment record | Aug 29, 2030 | 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 | 2 of 3 maintenance fees paid | lapsed Apr 15, 2026 | High confidence |
| Computed term end | The steps above, in order | Apr 15, 2026 | High confidence |
This family
| US 8,696,850 | this patent Apr 2026 | Apr 2026 |
| US 9,702,066 | In force Apr 2030 | Apr 2030 |
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 |
|---|---|---|---|
| May 13, 2011 Reel 26279, frame 295 | Beraud, Jean-marc; Bruyere, Alain | Hexcel Reinforcements, S.a.s. | Assignment of Assignor's 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 810 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
10
later US patents cite this one
That is above the median of utility patents granted in 2014 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.