The Patent Finder
US

Ammunition Magazine

US 10,480,880 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Nov 10, 2021 (TD Bank, N.A.).

Term ends Dec 21, 2038 · High confidence

Filed Dec 21, 2018 as application 16/230,028 · Granted Nov 19, 2019
Base term, 20 years from filing
Today
20 years from filing
2018 2038
Clock starts
Dec 21, 2018
Term ends
Dec 21, 2038
Granted
Nov 19, 2019
base term 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
None
Term adjustment
No prosecution delay on this record.
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.
7
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. 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 Dec 21, 2018, when this application, 16/230,028, was filedDec 21, 2038High 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 events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderDec 21, 2038High confidence

This family

US 10,480,880this patent
Dec 2038
Dec 2038
US 10,962,315In force
Dec 2038
Dec 2038
US 11,287,203In force
no later than Dec 2038
no later than Dec 2038
US 11,635,266In force
Dec 2038
Dec 2038
US 12,270,620In force
Dec 2038
Dec 2038
Application 19/093,965Pending
not computed
not computed
US 12,704,335In force
Dec 2038
Dec 2038
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 14, 2019
Reel 48068, frame 456
Thomele, Adrian; Knight, JasonSig Sauer, Inc.Assignment of Assignor's Interest
Oct 1, 2019
Reel 50588, frame 346
Shinkle, Scott D.Sig Sauer, Inc.Assignment of Assignor's Interest
Nov 10, 2021
Reel 58097, frame 345
Sig Sauer Inc.TD Bank, N.A., as Administrative AgentSecurity 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