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US1817820A Expired / Lapsed US ⏱️ 0.0 years remaining

Power transmission means

Assignee: Individual
•
Filing: 1930-05-31
•
Granted: 1931-08-04
•
Expires: 1950-05-31
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Abstract

No abstract record available.

Inventors

  • 👤 Frank R Higley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 20:55
CPC Classifications
H; H02; H02K; H02K51/00; B; B60; B60L; B60L15/00; B60L15/20; B60L50/00; B60L50/10; B60L50/16; B60L2240/00; B60L2240/40; B60L2240/42; B60L2240/421; B60L2240/423; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/64; Y02T10/70; Y02T10/7072; Y02T10/72

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) 1934-08-03 1935-02-02 1935-08-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1938-08-03 1939-02-02 1939-08-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1942-08-03 1943-02-02 1943-08-04 $7700.00 Window Closed / Lapsed

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