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US

Adapter Plate System for Mounting Optical Sights

US 11,466,961 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded May 12, 2026 (Fifth Third Bank, National Association).

Term ends Feb 20, 2039 · High confidence

Filed Aug 24, 2020 as application 17/000,608 · Granted Oct 11, 2022
Base term plus 19 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
20 years from filing
2019 2039
Clock starts
Feb 20, 2019
Term ends
Feb 20, 2039
Granted
Oct 11, 2022
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
19
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,782,099.
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.
4
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 19 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 1 of 3 maintenance fees is paid so far. 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 Feb 20, 2019, when application 16/280,087, the earliest non-provisional in its chain, was filed (this one was filed Aug 24, 2020)Feb 20, 2039High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+19 days, USPTO patent term adjustment recordMar 11, 2039High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 10,782,099)capped to Feb 20, 2039High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderFeb 20, 2039High confidence

This family

US 10,782,099In force
Feb 2039
Feb 2039
US 10,948,267In force
Feb 2039
Feb 2039
US 11,466,961this patent
Feb 2039
Feb 2039
US 11,454,474In force
Feb 2039
Feb 2039
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
Jun 10, 2025
Reel 71725, frame 587
Zimmer, TrentDivision Group, LLCAssignment of Assignor's Interest
Oct 31, 2025
Reel 73461, frame 37
Division Group, LLCUnity Tactical, LLCAssignment of Assignor's Interest
May 12, 2026
Reel 75562, frame 524
Silencerco Weapons Research, LLC; Unity Tactical LLC; Zev Technologies, LLC; Syndicate Optics Research, LLC; Sicosyndicate, LLCFifth Third Bank, National AssociationSecurity 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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