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US2126398A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric discharge apparatus

Assignee: Westinghouse Electric Corp
•
Filing: 1935-10-03
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Granted: 1938-08-09
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Expires: 1955-10-03
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Abstract

No abstract record available.

Inventors

  • 👤 Dewey D Knowles

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:11
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/52; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/24; G05D23/2451; G05D23/2453

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) 1941-08-08 1942-02-07 1942-08-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1945-08-08 1946-02-07 1946-08-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1949-08-08 1950-02-07 1950-08-09 $7700.00 Window Closed / Lapsed

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