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US1551512A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: General Electric Co
•
Filing: 1925-02-02
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Granted: 1925-08-25
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Expires: 1945-02-02
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Abstract

No abstract record available.

Inventors

  • 👤 Robert W Goff

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 16:43
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/02; H01H19/10; H01H19/14; H01H19/18; H01H19/186; E; E06; E06B; E06B9/00; E06B9/56; E06B9/68; E06B2009/6809; E06B2009/6872; E06B2009/6881

Claims Analysis

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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) 1928-08-24 1929-02-23 1929-08-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1932-08-24 1933-02-23 1933-08-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1936-08-24 1937-02-23 1937-08-25 $7700.00 Window Closed / Lapsed

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