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US3266471A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic control apparatus for driving cooling fan of automobile engine

Assignee: Individual
•
Filing: 1963-09-25
•
Granted: 1966-08-16
•
Expires: 1983-09-25
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Abstract

No abstract record available.

Inventors

  • 👤 Masuura Kozo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 16:01
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/02; F01P7/08; F01P7/081; F01P7/082; F01P7/087; F16; F16D; F16D43/00; F16D43/02; F16D43/25

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2438161A Cited
US2658400A Cited
US2879755A Cited
US3103308A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-08-15 1970-02-14 1970-08-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-08-15 1974-02-14 1974-08-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-08-15 1978-02-14 1978-08-16 $7700.00 Window Closed / Lapsed

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