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US2357174A Expired / Lapsed US ⏱️ 0.0 years remaining

Fuel pumping system

Assignee: CURTIS PUMP CO
•
Filing: 1941-09-05
•
Granted: 1944-08-29
•
Expires: 1961-09-05
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Abstract

No abstract record available.

Inventors

  • 👤 Russell R Curtis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 18:22
CPC Classifications
F; F02; F02M; F02M37/00; F02M37/04; F02M37/18; F02M37/20; Y; Y10; Y10T; Y10T137/00; Y10T137/4673; Y10T137/4857; Y10T137/6851; Y10T137/6855; Y10T137/6906; Y10T137/8593; Y10T137/85978; Y10T137/86035; Y10T137/86099; Y10T137/86131; Y10T137/86139

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1947-08-29 1948-02-28 1948-08-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1951-08-29 1952-02-28 1952-08-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1955-08-29 1956-02-28 1956-08-29 $7700.00 Window Closed / Lapsed

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