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Optical System Accessory with Cant Indication

US 10,488,156 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jul 3, 2037 · High confidence

Filed Dec 8, 2016 as application 15/372,877 · Granted Nov 26, 2019
Base term plus 342 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2016 2037
Clock starts
Jul 26, 2016
Term ends
Jul 3, 2037
Granted
Nov 26, 2019
base term patent term adjustment 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
342
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.
6
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 342 days past its 20-year base term on prosecution delay. 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 Jul 26, 2016, when application 15/220,254, the earliest non-provisional in its chain, was filed (this one was filed Dec 8, 2016)Jul 26, 2036High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+342 days, USPTO patent term adjustment recordJul 3, 2037High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJul 3, 2037High confidence

This family

US 10,480,900In force
May 2037
May 2037
US 10,488,156this patent
Jul 2037
Jul 2037
US 11,402,175In force
Jul 2036
Jul 2036
US 12,031,796In force
Jul 2036
Jul 2036
US 12,553,688In force
Jul 2036
Jul 2036
Application 19/468,942Pending
not computed
not computed
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
Jan 6, 2017
Reel 41293, frame 533
York, Andrew W.; Smith, Gregory Scott; Brumfield, Richard BradleySig Sauer, 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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited