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US2909631A Expired / Lapsed US ⏱️ 0.0 years remaining

Fire alarm

Assignee: F & G Supply Co
•
Filing: 1957-08-13
•
Granted: 1959-10-20
•
Expires: 1977-08-13
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph S Stamm
  • 👤 Wilford G Bennett

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 05:04
CPC Classifications
G; G08; G08B; G08B17/00; G08B17/06; H; H01; H01H; H01H37/00; H01H37/002; H01H37/74; H01H37/76; H01R; H01R4/00; H01R4/24; H01R4/2404

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US454746A Cited
US1977191A Cited
US2204237A Cited
US2552331A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-10-19 1963-04-20 1963-10-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-10-19 1967-04-20 1967-10-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-10-19 1971-04-20 1971-10-20 $7700.00 Window Closed / Lapsed

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