Term ends Jul 10, 2037 · High confidence

Computed 20-year base term

Held by Howmet Aerospace Inc.

Filed Feb 2, 2015 as application 14/611,555 · Granted Jan 26, 2021

Base term plus 889 days of patent term adjustment (USPTO delay)

Today

20 years from filing

Term ends Jul 10, 2037

2015 2037

Clock starts
Feb 2, 2015

Term ends
Jul 10, 2037

Granted
Jan 26, 2021

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

889

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.

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 889 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is paid so far. 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 Feb 2, 2015, when this application, 14/611,555, was filed	Feb 2, 2035	High confidence
Continuity chain	Every parent in the chain resolved	no change	High confidence
Patent term adjustment	+889 days, USPTO patent term adjustment record	Jul 10, 2037	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	In force	High confidence
Computed term end	The steps above, in order	Jul 10, 2037	High confidence

This family

US 10,903,587	this patent Jul 2037	Jul 2037
US 11,196,185	In force Oct 2035	Oct 2035
US 11,984,691	In force Jun 2035	Jun 2035
US 12,347,988	In force Feb 2035	Feb 2035

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
Sep 4, 2016 Reel 39626, frame 933	Spinella, Donald J.; Bergstrom, Daniel	Alcoa Inc.	Assignment of Assignor's Interest
Nov 11, 2016 Reel 40599, frame 309	Alcoa Inc.	Arconic Inc.	Change of Name
Jun 30, 2020 Reel 53086, frame 762	Arconic Inc.	Howmet Aerospace Inc.	Change of Name

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

Jul 2037

Term ends Jul 10, 2037. Maintenance fees still fall due before then

Note

The 889 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 5% of utility patents granted in 2021 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.

Resistance Welding Fastener, Apparatus and Methods