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US2970822A Expired / Lapsed US ⏱️ 0.0 years remaining

Carburetor idle system control apparatus

Assignee: Individual
•
Filing: 1957-06-13
•
Granted: 1961-02-07
•
Expires: 1977-06-13
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Abstract

No abstract record available.

Inventors

  • 👤 Ernest Fred

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 04:52
CPC Classifications
F; F02; F02M; F02M3/00; F02M3/08; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4304; F02M2700/4311; Y; Y10; Y10S; Y10S261/00; Y10S261/38; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87096; Y10T137/87121; Y10T137/877; Y10T137/87829; Y10T137/87837; Y10T137/87853

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2390019A Cited
US2065334A Cited
US2349676A Cited
US2479177A Cited
US2590217A Cited
US2763285A Cited
US2791236A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-02-07 1964-08-08 1965-02-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-02-07 1968-08-08 1969-02-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-02-07 1972-08-08 1973-02-07 $7700.00 Window Closed / Lapsed

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