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US1946200A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic electromagnetic clutch and electric coasting device

Assignee: Individual
•
Filing: 1931-06-17
•
Granted: 1934-02-06
•
Expires: 1951-06-17
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Abstract

No abstract record available.

Inventors

  • 👤 James W Easter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 15:51
CPC Classifications
F; F16; F16H; F16H63/00; F16H63/40; F16H63/46; B; B60; B60W; B60W10/00; B60W10/02; B60W10/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1937-02-05 1937-08-07 1938-02-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1941-02-05 1941-08-07 1942-02-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1945-02-05 1945-08-07 1946-02-06 $7700.00 Window Closed / Lapsed

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