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US

Annular Ring and Non-Pneumatic Tire

US 11,400,672 In force
OverviewFamilySources & methods

Term ends Sep 26, 2034 · High confidence

Held by Camso Inc.
Filed Jun 30, 2020 as application 16/916,791 · Granted Aug 2, 2022
Base term plus 105 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2014 2034
Clock starts
Jun 13, 2014
Term ends
Sep 26, 2034
Granted
Aug 2, 2022
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
105
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.
5
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 105 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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Jun 13, 2014, when application 14/304,217, the earliest non-provisional in its chain, was filed (this one was filed Jun 30, 2020)Jun 13, 2034High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+105 days, USPTO patent term adjustment recordSep 26, 2034High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderSep 26, 2034High confidence

This family

US 9,751,270In force
Jun 2034
Jun 2034
US 10,166,732In force
Jun 2034
Jun 2034
US 11,014,316In force
Jun 2034
Jun 2034
US 11,400,672this patent
Sep 2034
Sep 2034
US 11,697,259In force
Nov 2034
Nov 2034
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 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited