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US1391707A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic change-speed transmission

Assignee: Individual
•
Filing: 1918-08-15
•
Granted: 1921-09-27
•
Expires: 1938-08-15
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Abstract

No abstract record available.

Inventors

  • 👤 Viviano Philip

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 10:58
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/02; F16H2710/00; F16H2710/24; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19242; Y10T74/19251; Y10T74/19256; Y10T74/19274

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) 1924-09-26 1925-03-28 1925-09-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1928-09-26 1929-03-28 1929-09-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1932-09-26 1933-03-28 1933-09-27 $7700.00 Window Closed / Lapsed

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