The Patent Finder
US

Compound Fenestration Assembly Mull Joints and Methods

US 10,968,687 In force
OverviewFamilySources & methods

Term ends Feb 16, 2036 · High confidence

Filed Mar 6, 2020 as application 16/811,222 · Granted Apr 6, 2021
Base term, 20 years from filing
Today
20 years from filing
2016 2036
Clock starts
Feb 16, 2016
Term ends
Feb 16, 2036
Granted
Apr 6, 2021
base term 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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 9,932,765, to Feb 16, 2036. 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.
7
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Feb 16, 2016, when application 15/044,610, the earliest non-provisional in its chain, was filed (this one was filed Mar 6, 2020)Feb 16, 2036High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 9,932,765)resolves to Feb 16, 2036, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderFeb 16, 2036High confidence

This family

US 9,932,765In force
Feb 2036
Feb 2036
US 10,233,688In force
Feb 2036
Feb 2036
US 10,626,664In force
Feb 2036
Feb 2036
US 10,968,687this patent
Feb 2036
Feb 2036
US 11,499,364In force
Feb 2036
Feb 2036
US 11,773,645In force
no later than Feb 2036
no later than Feb 2036
US 12,158,040In force
Feb 2036
Feb 2036
The applications whose file history this site holds. The family may have others.

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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited