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US2428359A Expired / Lapsed US ⏱️ 0.0 years remaining

Thermostatically controlled firearm cooling system

Assignee: Individual
•
Filing: 1945-03-22
•
Granted: 1947-10-07
•
Expires: 1965-03-22
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Abstract

No abstract record available.

Inventors

  • 👤 Permentier Paul R De

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:37
CPC Classifications
F; F41; F41A; F41A13/00; F41A13/12

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

GB413968A Cited
GB457570A Cited
FR804838A Cited
GB510709A Cited
US2221905A Cited
US2273839A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1950-10-06 1951-04-07 1951-10-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1954-10-06 1955-04-07 1955-10-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1958-10-06 1959-04-07 1959-10-07 $7700.00 Window Closed / Lapsed

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