Term ends Nov 17, 2037 · High confidence

Computed 20-year base term

Held by Greenlee Tools, Inc.

Filed Mar 2, 2020 as application 16/805,972 · Granted Jul 27, 2021

Base term, 20 years from filing

Today

20 years from filing

Term ends Nov 17, 2037

2017 2037

Clock starts
Nov 17, 2017

Term ends
Nov 17, 2037

Granted
Jul 27, 2021

base term 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.

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 is its 20-year base term, with no adjustment for 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 Nov 17, 2017, when application 15/816,591, the earliest non-provisional in its chain, was filed (this one was filed Mar 2, 2020)	Nov 17, 2037	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	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	Nov 17, 2037	High confidence

This family

US 10,576,557	In force Nov 2037	Nov 2037
US D866,623	In force Nov 2034	Nov 2034
US D878,435	In force Mar 2035	Mar 2035
US D1,003,957	In force Nov 2038	Nov 2038
US 11,072,029	this patent Nov 2037	Nov 2037
US 11,565,332	In force Nov 2037	Nov 2037
US 12,036,618	In force Nov 2037	Nov 2037

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
Mar 4, 2020 Reel 52009, frame 181	Fenske, John Russell	Greenlee Textron Inc.	Assignment of Assignor's Interest
Mar 4, 2020 Reel 52009, frame 227	Greenlee Textron Inc.	Textron Innovations Inc.	Assignment of Assignor's Interest
Mar 4, 2020 Reel 52086, frame 54	Textron Innovations Inc.	Greenlee Textron Inc.	Assignment of Assignor's Interest
Mar 4, 2020 Reel 52085, frame 996	Greenlee Textron Inc.	Greenlee Tools, 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.

What's changing

Nov 2037

Term ends Nov 17, 2037. Maintenance fees still fall due before then

Citations

later US patents cite this one

That is top 25% 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.

Assembly for Supporting and Shearing a Workpiece