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US2873733A Expired / Lapsed US ⏱️ 0.0 years remaining

Internal combustion engines

Assignee: Individual
•
Filing: 1956-03-06
•
Granted: 1959-02-17
•
Expires: 1976-03-06
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Abstract

No abstract record available.

Inventors

  • 👤 Hicks Jarvis Byron

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 01:58
CPC Classifications
F; F02; F02B; F02B77/00; F02B77/02; F05; F05C; F05C2201/00; F05C2201/02; F05C2201/021; F05C2201/023; F05C2201/04; F05C2201/0433; F05C2201/0463; F05C2201/0469; F05C2201/0472; F05C2201/0475; F05C2201/0487; F05C2201/0493

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1755578A Cited
US1869077A Cited
US1857077A Cited
US2106914A Cited
US2075388A Cited
US2113629A Cited
US2127758A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-02-16 1962-08-18 1963-02-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-02-16 1966-08-18 1967-02-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-02-16 1970-08-18 1971-02-17 $7700.00 Window Closed / Lapsed

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