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Base Station and Handover Processing Method for Digital Trunking Communication

US 9,344,926 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed May 17, 2024 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Filed Aug 31, 2012 as application 13/582,309 · Granted May 17, 2016
Base term, 20 years from filing, plus 689 days of patent term adjustment (USPTO delay)
Today
Lapsed May 17, 2024
2010 2032
Clock starts
Oct 13, 2010
No longer in force
May 17, 2024
Granted
May 17, 2016
Term would have run to
Sep 1, 2032
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
689
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.
38
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 Sep 1, 2032: its 20-year base term plus 689 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 Oct 13, 2010, when application PCT/CN2010/077718, the earliest non-provisional in its chain, was filed (this one was filed Aug 31, 2012)Oct 13, 2030High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+689 days, USPTO patent term adjustment recordSep 1, 2032High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidlapsed May 17, 2024High confidence
Computed term endThe steps above, in orderMay 17, 2024High confidence

This family

US 8,837,614Lapsed on the fee record
Sep 2022
Sep 2022
US 8,648,691Lapsed on the fee record
Feb 2026
Feb 2026
Application 13/259,524Abandoned
not computed
not computed
US 8,615,269Lapsed on the fee record
Dec 2021
Dec 2021
US 8,711,722In force
Aug 2030
Aug 2030
US 9,344,926this patent
May 2024
May 2024
Application 13/576,370Abandoned
not computed
not computed
US 8,774,645Lapsed on the fee record
Jul 2026
Jul 2026
8 of 38 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
Sep 4, 2012
Reel 28892, frame 834
Pei, FanZte CorporationAssignment of Assignor's Interest
Jul 29, 2021
Reel 57013, frame 295
Zte CorporationCaltta Technologies Co., Ltd.Nunc Pro Tunc Assignment

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