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US1949167A Expired / Lapsed US ⏱️ 0.0 years remaining

Change speed gearing

Assignee: Rolls Royce Solutions GmbH
•
Filing: 1931-03-12
•
Granted: 1934-02-27
•
Expires: 1951-03-12
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Abstract

No abstract record available.

Inventors

  • 👤 Maybach Karl

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 23:09
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/08; F16H3/087; F16H3/091; F16H3/0915; F16H2714/00; F16H2714/04; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/1947; Y10T74/19474; Y10T74/19479

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) 1937-02-26 1937-08-28 1938-02-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1941-02-26 1941-08-28 1942-02-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1945-02-26 1945-08-28 1946-02-27 $7700.00 Window Closed / Lapsed

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