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US2837856A Expired / Lapsed US ⏱️ 0.0 years remaining

Dual compensator having shot controls for double barrel shotguns

Assignee: Individual
•
Filing: 1955-03-21
•
Granted: 1958-06-10
•
Expires: 1975-03-21
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Abstract

No abstract record available.

Inventors

  • 👤 Benitez Humberto Ortiz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 14:04
CPC Classifications
F; F41; F41A; F41A21/00; F41A21/32; F41A21/40

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US618901A Cited
US555432A Cited
US906443A Cited
GB191123832A Cited
US1599008A Cited
US2398298A Cited
US2484988A Cited
US2522329A Cited
US2484998A Cited
FR935762A Cited
US2512850A Cited
US2602255A Cited
US2731754A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-06-09 1961-12-09 1962-06-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-06-09 1965-12-09 1966-06-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-06-09 1969-12-09 1970-06-10 $7700.00 Window Closed / Lapsed

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