The Patent Finder
US

Trip Scheduling System

US 11,100,451 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Aug 24, 2025 on the fee record · High confidence

First maintenance fee unpaid; grace period ended.

Held by Driverdo LLC
Filed May 21, 2019 as application 16/417,920 · Granted Aug 24, 2021
Base term, 20 years from filing
Today
Lapsed Aug 24, 2025
2016 2036
Clock starts
Jan 29, 2016
No longer in force
Aug 24, 2025
Granted
Aug 24, 2021
Term would have run to
Jan 29, 2036
base term 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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
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.
8
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 Jan 29, 2036: its 20-year base term, with no adjustment for prosecution delay. 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 Jan 29, 2016, when application 15/010,039, the earliest non-provisional in its chain, was filed (this one was filed May 21, 2019)Jan 29, 2036High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidlapsed Aug 24, 2025High confidence
Computed term endThe steps above, in orderAug 24, 2025High confidence

This family

US 10,304,027In force
Oct 2037
Oct 2037
Application PCT/US2017/015241PCT application
no patent term
no patent term
US 11,100,451this patent
Aug 2025
Aug 2025
US 11,562,316In force
Feb 2036
Feb 2036
US 11,694,151In force
Jan 2036
Jan 2036
US 11,941,574In force
Jan 2036
Jan 2036
US 12,450,552In force
Jan 2036
Jan 2036
Application 19/341,338Pending
not computed
not computed
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
May 21, 2019
Reel 49239, frame 90
Haque, Mashhur ZarifDriverdo 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