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US1981619A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Individual
•
Filing: 1932-07-29
•
Granted: 1934-11-20
•
Expires: 1952-07-29
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Abstract

No abstract record available.

Inventors

  • 👤 William E Gee

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 17:51
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/0003; F04C15/0023; F04C15/0026

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) 1937-11-19 1938-05-21 1938-11-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1941-11-19 1942-05-21 1942-11-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1945-11-19 1946-05-21 1946-11-20 $7700.00 Window Closed / Lapsed

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