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US2632996A Expired / Lapsed US ⏱️ 0.0 years remaining

Manually adjustable speed and temperature regulating apparatus for combustion engines

Assignee: Weatherhead Co
•
Filing: 1946-11-23
•
Granted: 1953-03-31
•
Expires: 1966-11-23
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Abstract

No abstract record available.

Inventors

  • 👤 Alvin A Rood

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 02:26
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/28

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1489644A Cited
US1621396A Cited
US1566995A Cited
US2219994A Cited
US2432177A Cited
US2316240A Cited
US2336232A Cited
US2405888A Cited
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US2499144A Cited
US2457595A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-03-30 1956-09-29 1957-03-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-03-30 1960-09-29 1961-03-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-03-30 1964-09-29 1965-03-31 $7700.00 Window Closed / Lapsed

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