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Process of Forming a Microphone Using Support Member

US 8,309,386 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Dec 11, 2025 · High confidence

Filed Oct 3, 2008 as application 12/244,840 · Granted Nov 13, 2012
Base term plus 230 days of patent term adjustment (USPTO delay)
Today
20 years from filing
Term ended Dec 11, 2025
2005 2026
Clock starts
Apr 25, 2005
Term ended
Dec 11, 2025
Granted
Nov 13, 2012
base term patent term adjustment after the term ends fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
230
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
10
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 230 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Apr 25, 2005, when application 11/113,925, the earliest non-provisional in its chain, was filed (this one was filed Oct 3, 2008)Apr 25, 2025High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+230 days, USPTO patent term adjustment recordDec 11, 2025High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidterm endedHigh confidence
Computed term endThe steps above, in orderDec 11, 2025High confidence

This family

US 7,825,484In force
Jun 2027
Jun 2027
Application PCT/US2006/014982PCT application
no patent term
no patent term
US 7,449,356Term ended
Apr 2025
Apr 2025
Application PCT/US2006/048788PCT application
no patent term
no patent term
US 7,885,423In force
Mar 2028
Mar 2028
US 8,309,386this patent
Dec 2025
Dec 2025
US 8,129,803Term ended
May 2025
May 2025
US 8,422,703Term ended
no later than Oct 2025
no later than Oct 2025
8 of 10 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
Oct 6, 2008
Reel 21638, frame 869
Weigold, Jason W.Analog Devices, Inc.Assignment of Assignor's Interest
Nov 25, 2013
Reel 31721, frame 683
Analog Devices, Inc.Invensense, Inc.Assignment 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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