Lapsed Oct 28, 2022 on the fee record · High confidence
20-year base term ends Nov 22, 2026
Second maintenance fee unpaid; grace period ended.
Held by Hexcel Corporation
Filed Apr 11, 2014 as application 14/250,491 · Granted Oct 28, 2014
Base term, 20 years from filing
Today
Lapsed Oct 28, 2022
2006
2026
Clock starts
Nov 22, 2006
Nov 22, 2006
No longer in force
Oct 28, 2022
Oct 28, 2022
Granted
Oct 28, 2014
Oct 28, 2014
Term would have run to
Nov 22, 2026
Nov 22, 2026
base term
after the term ends
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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 7,749,479, US 8,591,859, US 8,734,754, to Nov 22, 2026. The term already ends on or before that date, so the cap shortened nothing.
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.
10
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 Nov 22, 2026: its 20-year base term, with no 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
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 Nov 22, 2006, when application 11/562,867, the earliest non-provisional in its chain, was filed (this one was filed Apr 11, 2014) | Nov 22, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,749,479, US 8,591,859, US 8,734,754) | resolves to Nov 22, 2026, 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 Oct 28, 2022 | High confidence |
| Computed term end | The steps above, in order | Oct 28, 2022 | High confidence |
This family
| US 7,749,479 | In force Jun 2028 | Jun 2028 |
| Application PCT/US2007/083886 | PCT application no patent term | no patent term |
| US 8,591,859 | In force Mar 2028 | Mar 2028 |
| US 8,734,754 | Lapsed on the fee record May 2022 | May 2022 |
| US 8,871,172 | this patent Oct 2022 | Oct 2022 |
| US 9,121,112 | Lapsed on the fee record Sep 2023 | Sep 2023 |
| US 9,340,905 | Lapsed on the fee record May 2024 | May 2024 |
| US 9,677,195 | In force Nov 2026 | Nov 2026 |
8 of 10 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 |
|---|---|---|---|
| Apr 11, 2014 Reel 32653, frame 417 | León y León, Carlos A. | Hexcel Corporation | 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.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 7,749,479, US 8,591,859, US 8,734,754, ends no earlier than this term, so it caps nothing.
Citations
6
later US patents cite this one
That is below 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.