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US2801586A Expired / Lapsed US ⏱️ 0.0 years remaining

Subcaliber mortar trainer shell

Assignee: Individual
•
Filing: 1953-09-03
•
Granted: 1957-08-06
•
Expires: 1973-09-03
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Abstract

No abstract record available.

Inventors

  • 👤 Mongello Thomas

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 10:03
CPC Classifications
F; F42; F42B; F42B8/00; F42B8/12; F42B8/20; F41; F41A; F41A33/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

CA455476A Cited
US1330144A Cited
US1459600A Cited
US2115608A Cited
US2108817A Cited
US2383053A Cited
US2342684A Cited
US2482808A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-08-05 1961-02-04 1961-08-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-08-05 1965-02-04 1965-08-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-08-05 1969-02-04 1969-08-06 $7700.00 Window Closed / Lapsed

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