The Patent Finder
US

Anti-Roll Over Trailer Improvements

US 11,390,337 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Jul 19, 2026 on the fee record · Medium confidence

Why Medium: A terminal disclaimer is on file (approved) with no resolved reference, so the term may end earlier.

First maintenance fee unpaid; grace period ended.

Filed Jan 8, 2020 as application 16/737,866 · Granted Jul 19, 2022
Base term, 20 years from filing, plus 196 days of patent term adjustment (USPTO delay)
Today
Lapsed Jul 19, 2026
2017 2037
Clock starts
Jan 6, 2017
No longer in force
Jul 19, 2026
Granted
Jul 19, 2022
Term would have run to
Jul 21, 2037
base term patent term adjustment after the term ends 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
196
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
0 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.
3
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

Its term would have run to Jul 21, 2037: its 20-year base term plus 196 days of term adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. Confidence: Medium. 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 Jan 6, 2017, when application 15/400,783, the earliest non-provisional in its chain, was filed (this one was filed Jan 8, 2020)Jan 6, 2037High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+196 days, USPTO patent term adjustment recordJul 21, 2037High confidence
Terminal disclaimer capDisclaimer on file (approved), reference document not resolvedno cap applied, and none guessedMedium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidlapsed Jul 19, 2026High confidence
Computed term endThe steps above, in orderJul 19, 2026Medium confidence

This family

US 10,435,089In force
Jan 2037
Jan 2037
US 11,241,991In force
Jan 2037
Jan 2037
US 11,390,337this patent
Jul 2026
Jul 2026
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
Sep 17, 2021
Reel 57521, frame 727
Dill, BlakeDCB Trailer Design, 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 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