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US

Sound-Attenuating Earmuff Having Isolated Double-Shell Structure

US 7,703,572 In force
OverviewFamilyAssignmentsSources & methods

Also listed on Adaptive Technologies, Inc., an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Dec 4, 2027 · High confidence

Filed Dec 4, 2007 as application 11/949,850 · Granted Apr 27, 2010
Base term, 20 years from filing
Today
20 years from filing
2007 2027
Clock starts
Dec 4, 2007
Term ends
Dec 4, 2027
Granted
Apr 27, 2010
base term 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
None
Term adjustment
No prosecution delay on this record.
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.
9
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 is its 20-year base term, with no adjustment for prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 4, 2007, when this application, 11/949,850, was filedDec 4, 2027High 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 events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderDec 4, 2027High confidence

This family

US 7,206,425Term ended
Jul 2025
Jul 2025
Application PCT/US2004/001912PCT application
no patent term
no patent term
US 7,457,428In force
Mar 2027
Mar 2027
Application PCT/US2007/073867PCT application
no patent term
no patent term
Application PCT/US2007/086381PCT application
no patent term
no patent term
US 7,703,572this patent
Dec 2027
Dec 2027
US 8,285,408In force
Nov 2030
Nov 2030
US 7,854,294In force
Dec 2027
Dec 2027
8 of 9 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
Feb 1, 2008
Reel 20455, frame 900
Du, Yu; Homma, Kenji; Vaudrey, Michael A.Adaptive Technologies, Inc.Assignment of Assignor's Interest
Mar 28, 2011
Reel 26034, frame 656
Adaptive Technologies, Inc.Aegisound LLCAssignment of Assignor's Interest
Sep 4, 2012
Reel 28886, frame 820
Adaptive TechnologiesDepartment of the NavyConfirmatory License
Sep 2, 2020
Reel 53676, frame 980
Aegisound, LLCGentex CorporationAssignment 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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