The Patent Finder
US

Dual Material U-Base Fastener

US 11,162,520 In force
OverviewFamilyAssignmentsSources & methods

Term ends Apr 12, 2038 · High confidence

Held by Newfrey LLC
Filed Mar 10, 2020 as application 16/814,594 · Granted Nov 2, 2021
Base term plus 42 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2018 2038
Clock starts
Mar 1, 2018
Term ends
Apr 12, 2038
Granted
Nov 2, 2021
base term patent term adjustment 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
42
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 42 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 Mar 1, 2018, when application 15/909,057, the earliest non-provisional in its chain, was filed (this one was filed Mar 10, 2020)Mar 1, 2038High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+42 days, USPTO patent term adjustment recordApr 12, 2038High 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 orderApr 12, 2038High confidence

This family

US 10,704,577In force
Jan 2038
Jan 2038
US 10,590,968In force
Mar 2038
Mar 2038
US 10,894,516In force
Oct 2037
Oct 2037
Application PCT/US2019/020321PCT application
no patent term
no patent term
US 11,162,520this patent
Apr 2038
Apr 2038
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.
RecordedAssignorAssigneeConveyance
Mar 10, 2020
Reel 52071, frame 379
Benedetti, Steven M.Newfrey LLCAssignment of Assignor's 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.

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