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Rotational Drive Device

US 9,733,137 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Aug 15, 2025 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Held by Google LLC
Filed Jun 2, 2015 as application 14/649,019 · Granted Aug 15, 2017
Base term, 20 years from filing, plus 252 days of patent term adjustment (USPTO delay)
Today
Lapsed Aug 15, 2025
2013 2034
Clock starts
Dec 16, 2013
No longer in force
Aug 15, 2025
Granted
Aug 15, 2017
Term would have run to
Aug 25, 2034
base term patent term adjustment after the term ends 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
252
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.
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 Aug 25, 2034: its 20-year base term plus 252 days of term 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 Dec 16, 2013, when application PCT/JP2013/083571, the earliest non-provisional in its chain, was filed (this one was filed Jun 2, 2015)Dec 16, 2033High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+252 days, USPTO patent term adjustment recordAug 25, 2034High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidlapsed Aug 15, 2025High confidence
Computed term endThe steps above, in orderAug 15, 2025High confidence

This family

US 9,733,137this patent
Aug 2025
Aug 2025
US 10,132,701In force
Dec 2033
Dec 2033
2 of 3 applications in this family shown, earliest filings first. 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
Aug 10, 2016
Reel 39395, frame 278
Urata, JunichiSchaft Inc.Assignment of Assignor's Interest
Dec 5, 2017
Reel 44695, frame 115
Google Inc.Google LLCChange of Name

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