Also listed on Hexcel Corporation, an earlier holder on the record. The recorded assignments below show how it moved.

Collateral for a security interest recorded Jul 1, 2013 (RBS Citizens, N.A.).

Term ends Jan 24, 2029 · High confidence

Computed 20-year base term

Held by Hexcel Composites Ltd.

Filed Apr 17, 2007 as application 11/787,701 · Granted Jul 13, 2010

Base term plus 648 days of patent term adjustment (USPTO delay)

Today

20 years from filing

Term ends Jan 24, 2029

2007 2029

Clock starts
Apr 17, 2007

Term ends
Jan 24, 2029

Granted
Jul 13, 2010

base term patent term adjustment 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

648

Days of term adjustment

Read from the USPTO patent term adjustment record, not recalculated here.

None

Terminal disclaimer

No disclaimer on this record.

3 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.

Family applications on record here

Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

This patent's term runs 648 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Apr 17, 2007, when this application, 11/787,701, was filed	Apr 17, 2027	High confidence
Continuity chain	Every parent in the chain resolved	no change	High confidence
Patent term adjustment	+648 days, USPTO patent term adjustment record	Jan 24, 2029	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	3 of 3 maintenance fees paid	In force	High confidence
Computed term end	The steps above, in order	Jan 24, 2029	High confidence

This family

US 7,754,322	this patent Jan 2029	Jan 2029
Application PCT/US2008/004281	PCT application no patent term	no patent term
US 7,923,102	In force Apr 2027	Apr 2027
US 8,097,333	In force Apr 2027	Apr 2027

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
Jul 27, 2007 Reel 19618, frame 537	Tilbrook, David; Blair, Dana; Boyle, Maureen A.; Mackenzie, Paul	Hexcel Corporation	Assignment of Assignor's Interest
May 21, 2009 Reel 22722, frame 240	Hexcel Corporation	Deutsche Bank Trust Company Americas, as Administrative Agent	Grant of Patent Security Interest
May 21, 2009 Reel 22722, frame 301	Deutsche Bank Trust Company Americas, as Administrative Agent	Hexcel Corporation; Hexcel Reinforcements Corp.	Release of Patent Security Interest
May 21, 2009 reel/frame not recorded	Deutsche Bank Trust Company Americas, as Administrative Agent	Hexcel Corporation	Release of Patent Security Interest
May 21, 2009 reel/frame not recorded	Deutsche Bank Trust Company Americas, as Administrative Agent	Hexcel Reinforcements Corp.	Release of Patent Security Interest
Jul 9, 2010 Reel 24659, frame 959	Hexcel Corporation	Hexcel Composites Ltd.	Assignment of Assignor's Interest
Aug 20, 2010 Reel 24864, frame 16	Hexcel Corporation	Bank Of America, N.a.	Security Agreement
Aug 20, 2010 Reel 24864, frame 40	Deutsche Bank Trust Company Americas	Hexcel Corporation	Release of Security Interest
Jul 1, 2013 Reel 30724, frame 287	Hexcel Corporation; Hexcel Holdings Luxembourg S.A.R.L.	RBS Citizens, N.A., as Administrative Agent	Security Agreement
Sep 3, 2013 Reel 31140, frame 729	Bank Of America, N.a.	Hexcel Corporation	Release of Security Interest
Sep 24, 2014 Reel 33813, frame 565	Citizens Bank, National Association (F/K/A RBS Citizens, N.A.)	Hexcel Corporation	Termination of Security Interest in Patents
Oct 2, 2014 Reel 33887, frame 199	Citizens Bank, National Association	Hexcel Corporation; Hexcel Holdings Luxembourg S.À.R.L.	Release of Security Interest
Oct 2, 2014 reel/frame not recorded	Citizens Bank, National Association	Hexcel Corporation	Release of Security Interest
Oct 2, 2014 reel/frame not recorded	Citizens Bank, National Association	Hexcel Holdings Luxembourg S.À.R.L.	Release of Security 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.

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

What's changing

Jan 2029

Term ends Jan 24, 2029. No further fees fall due before then

Note

The 648 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us

Citations

later US patents cite this one

That is top 25% of utility patents granted in 2010 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.

In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.

Composite Materials with Blend of Thermoplastic Particles