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US2807172A Expired / Lapsed US ⏱️ 0.0 years remaining

Variable speed transmission

Assignee: Motors Liquidation Co
•
Filing: 1953-08-12
•
Granted: 1957-09-24
•
Expires: 1973-08-12
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Abstract

No abstract record available.

Inventors

  • 👤 James W Jacobs

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 13:43
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/66; F16H61/662; F16H61/66231; F16H61/66245; B; B60; B60H; B60H1/00; B60H1/32; B60H1/3204; B60H1/3222; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251; Y10T74/19256; Y10T74/1926; Y10T74/19265

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1823129A Cited
US2055177A Cited
US2075211A Cited
US2056050A Cited
US2185022A Cited
US2230293A Cited
US2398716A Cited
US2441926A Cited
US2496937A Cited
US2538667A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-09-23 1961-03-25 1961-09-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-09-23 1965-03-25 1965-09-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-09-23 1969-03-25 1969-09-24 $7700.00 Window Closed / Lapsed

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