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US1384031A Expired / Lapsed US ⏱️ 0.0 years remaining

Motor-cooling means

Assignee: Individual
•
Filing: 1920-02-24
•
Granted: 1921-07-05
•
Expires: 1940-02-24
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph A Ingram

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 17:10
CPC Classifications
F; F01; F01P; F01P1/00; F01P1/02; F01P9/00; F02; F02F; F02F1/00; F02F1/02; F02F1/04; F02F1/06; F02F1/065

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) 1924-07-04 1925-01-03 1925-07-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1928-07-04 1929-01-03 1929-07-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1932-07-04 1933-01-03 1933-07-05 $7700.00 Window Closed / Lapsed

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