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US2446994A Expired / Lapsed US ⏱️ 0.0 years remaining

Explosive-operated shears

Assignee: Individual
•
Filing: 1944-03-01
•
Granted: 1948-08-17
•
Expires: 1964-03-01
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Abstract

No abstract record available.

Inventors

  • 👤 George A Barker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 10:43
CPC Classifications
F; F41; F41C; F41C27/00; F41C27/20; Y; Y10; Y10S; Y10S30/00; Y10S30/04; Y10T; Y10T83/00; Y10T83/364

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE284782C Cited
US1304549A Cited
US655577A Cited
US785973A Cited
US1161223A Cited
GB191507442A Cited
GB191513620A Cited
US1211779A Cited
US1636357A Cited
US1915435A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1951-08-17 1952-02-16 1952-08-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-08-17 1956-02-16 1956-08-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-08-17 1960-02-16 1960-08-17 $7700.00 Window Closed / Lapsed

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