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US679792A Expired / Lapsed US ⏱️ 0.0 years remaining

Mechanical primer for guns.

Assignee: Sir WG Armstrong Whitworth and Co Ltd
•
Filing: 1901-02-04
•
Granted: 1901-08-06
•
Expires: 1921-02-04
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Abstract

No abstract record available.

Inventors

  • 👤 George Stuart

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 05:53
CPC Classifications
F; F42; F42C; F42C19/00; F42C19/08; F42C19/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1904-08-05 1905-02-04 1905-08-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1908-08-05 1909-02-04 1909-08-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1912-08-05 1913-02-04 1913-08-06 $7700.00 Window Closed / Lapsed

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