← Back to Patent Explorer
US2539554A Expired / Lapsed US ⏱️ 0.0 years remaining

Trigger and sear mechanism

Assignee: Motors Liquidation Co
•
Filing: 1946-08-14
•
Granted: 1951-01-30
•
Expires: 1966-08-14
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Frederick W Sampson
  • 👤 George J Hyde

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 01:54
CPC Classifications
F; F41; F41A; F41A19/00; F41A19/06; F41A19/25; F41A19/27; F41A19/29; F41A19/30; F41A19/31

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

US1743472A Cited
US1996124A Cited
US2125571A Cited
US2049776A Cited
US2249231A Cited
US2303510A Cited
US2401903A Cited
US2387691A Cited
US2403306A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-01-29 1954-07-31 1955-01-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-01-29 1958-07-31 1959-01-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-01-29 1962-07-31 1963-01-30 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag