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Augmentation of a Beamforming Microphone Array with Non-Beamforming Microphones

US 9,294,839 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jul 3, 2034 · Medium confidence

Why Medium: A parent in the chain could not be resolved.

Filed May 13, 2014 as application 14/276,438 · Granted Mar 22, 2016
Base term plus 126 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2014 2034
Clock starts
Feb 27, 2014
Term ends
Jul 3, 2034
Granted
Mar 22, 2016
base term patent term adjustment 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
126
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
15
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 126 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. 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 Feb 27, 2014, when application 14/191,511, the earliest non-provisional in its chain, was filed (this one was filed May 13, 2014); a parent in its chain could not be resolved (the next row)Feb 27, 2034High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustment+126 days, USPTO patent term adjustment recordJul 3, 2034High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJul 3, 2034Medium confidence

This family

Application 14/191,511Abandoned
not computed
not computed
US 9,294,839this patent
Jul 2034
Jul 2034
US 9,813,806In force
Jul 2034
Jul 2034
US 10,397,697In force
Feb 2034
Feb 2034
US 10,728,653In force
Feb 2034
Feb 2034
Application 15/864,889Abandoned
not computed
not computed
US 11,240,598In force
Feb 2034
Feb 2034
US 11,601,749In force
Feb 2034
Feb 2034
8 of 15 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
Jul 24, 2014
Reel 33383, frame 883
Lambert, David K.; Ericksen, Russell S.; Graham, DerekClearone Inc.Assignment of Assignor's Interest
Oct 30, 2025
Reel 73144, frame 390
Clearone Holding, LLCBiamp Systems, LLCAssignment of Assignor's Interest
Nov 18, 2025
Reel 73179, frame 609
Clearone, Inc.Clearone Holding, 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.

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