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US2762482A Expired / Lapsed US ⏱️ 0.0 years remaining

Drives for vehicle engine cooling fans

Assignee: Individual
•
Filing: 1954-04-14
•
Granted: 1956-09-11
•
Expires: 1974-04-14
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Abstract

No abstract record available.

Inventors

  • 👤 Frederick L Davis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 09:11
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/02; F01P7/08; F01P7/081; F01P7/082; F01P7/088

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1782513A Cited
DE630753C Cited
US1927509A Cited
US2216703A Cited
US2452650A Cited
US2506520A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-09-11 1960-03-12 1960-09-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-09-11 1964-03-12 1964-09-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-09-11 1968-03-12 1968-09-11 $7700.00 Window Closed / Lapsed

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