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US2865230A Expired / Lapsed US ⏱️ 0.0 years remaining

Four speed transmission

Assignee: Individual
•
Filing: 1956-08-20
•
Granted: 1958-12-23
•
Expires: 1976-08-20
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Abstract

No abstract record available.

Inventors

  • 👤 Howard W Simpson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 10:24
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H47/08; F16H47/085; F16H3/00; F16H3/44; F16H3/62; F16H3/66; F16H2200/00; F16H2200/20; F16H2200/2002; F16H2200/2007; F16H2200/203; F16H2200/2043

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

AT67646B Cited
US2176138A Cited
US2324733A Cited
US2620685A Cited
US2546378A Cited
US2631476A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-12-22 1962-06-23 1962-12-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-12-22 1966-06-23 1966-12-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-12-22 1970-06-23 1970-12-23 $7700.00 Window Closed / Lapsed

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