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US2106557A Expired / Lapsed US ⏱️ 0.0 years remaining

Aero-electric generation system

Assignee: Individual
•
Filing: 1935-06-22
•
Granted: 1938-01-25
•
Expires: 1955-06-22
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Abstract

No abstract record available.

Inventors

  • 👤 Palmer C Putnam

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 08:58
CPC Classifications
F; F03; F03D; F03D7/00; F03D7/02; F03D7/022; F03D7/0224; F03D9/00; F03D9/20; F03D9/25; H; H02; H02K; H02K7/00; H02K7/18; H02K7/1807; H02K7/1823; H02K7/183; H02K7/1838; F05; F05B; F05B2260/00; F05B2260/70; F05B2260/77; F05B2270/00; F05B2270/30; F05B2270/303; F05B2270/3032; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72

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) 1941-01-24 1941-07-26 1942-01-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1945-01-24 1945-07-26 1946-01-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1949-01-24 1949-07-26 1950-01-25 $7700.00 Window Closed / Lapsed

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