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US2923241A Expired / Lapsed US ⏱️ 0.0 years remaining

Folding stabilizing fins

Assignee: Aerojet Rocketdyne Inc
•
Filing: 1957-09-09
•
Granted: 1960-02-02
•
Expires: 1977-09-09
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Abstract

No abstract record available.

Inventors

  • 👤 William C House

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 15:37
CPC Classifications
F; F42; F42B; F42B10/00; F42B10/02; F42B10/14; F42B10/16

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2143541A Cited
US2597703A Cited
GB745252A Cited
US2845026A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-02-01 1963-08-03 1964-02-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-02-01 1967-08-03 1968-02-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-02-01 1971-08-03 1972-02-02 $7700.00 Window Closed / Lapsed

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