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US2870655A Expired / Lapsed US ⏱️ 0.0 years remaining

Change speed transmission

Assignee: Allis Chalmers Corp
•
Filing: 1957-02-20
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Granted: 1959-01-27
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Expires: 1977-02-20
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Abstract

No abstract record available.

Inventors

  • 👤 Harvey W Rockwell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 15:25
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/46; F16H3/48; F16H3/52; F16H3/54; F16H61/00; F16H61/02; F16H61/0262; F16H63/00; F16H63/02; F16H63/30; F16H63/3023; F16H63/3026; F16H2063/3036; F16H2716/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1297094A Cited
US2221014A Cited
US2472559A Cited
US2540965A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-01-26 1962-07-28 1963-01-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-01-26 1966-07-28 1967-01-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-01-26 1970-07-28 1971-01-27 $7700.00 Window Closed / Lapsed

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