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US1548666A Expired / Lapsed US ⏱️ 0.0 years remaining

Governing mechanism

Assignee: General Electric Co
•
Filing: 1921-09-30
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Granted: 1925-08-04
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Expires: 1941-09-30
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Abstract

No abstract record available.

Inventors

  • 👤 Edgar D Dickinson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 15:20
CPC Classifications
F; F01; F01D; F01D21/00; F01D21/16; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/108; Y10T137/1153

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) 1928-08-03 1929-02-02 1929-08-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1932-08-03 1933-02-02 1933-08-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1936-08-03 1937-02-02 1937-08-04 $7700.00 Window Closed / Lapsed

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