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US2097318A Expired / Lapsed US ⏱️ 0.0 years remaining

Fan

Assignee: General Electric Co
•
Filing: 1935-04-26
•
Granted: 1937-10-26
•
Expires: 1955-04-26
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Abstract

No abstract record available.

Inventors

  • 👤 Millard F Dowell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 15:14
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/26; F04D29/32; F04D29/38; F04D29/382; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/4984; Y10T29/49844; Y10T29/49863; Y10T29/4987; Y10T29/49872; Y10T403/00; Y10T403/45; Y10T403/455

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) 1940-10-25 1941-04-26 1941-10-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1944-10-25 1945-04-26 1945-10-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1948-10-25 1949-04-26 1949-10-26 $7700.00 Window Closed / Lapsed

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