Patent US2434970A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2434970A Expired / Lapsed US ⏱️ 0.0 years remaining

Breech operating mechanism

Assignee: Individual
•
Filing: 1944-06-01
•
Granted: 1948-01-27
•
Expires: 1964-06-01
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Summerbell William

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 10:57
CPC Classifications
F; F41; F41A; F41A5/00; F41A5/32; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20576; Y10T74/20636; Y10T74/20642

Claims Analysis

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

References Cited (Backward Citations)

US141868A Cited
US336120A Cited
US685612A Cited
US785085A Cited
US896669A Cited
US1066814A Cited
US1088212A Cited
US2056270A Cited
DE676633C Cited
US2216860A Cited
US2295827A Cited
US2328446A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1951-01-26 1951-07-28 1952-01-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-01-26 1955-07-28 1956-01-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-01-26 1959-07-28 1960-01-27 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag