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US3515982A Expired / Lapsed US ⏱️ 0.0 years remaining

Arrangement for synthetic circuit-breaker testing including current controlled application of the simulated short circuit current

Assignee: Associated Electrical Industries Ltd
•
Filing: 1968-02-02
•
Granted: 1970-06-02
•
Expires: 1988-02-02
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Abstract

No abstract record available.

Inventors

  • 👤 David Phillip Longworth
  • 👤 Michael Alfred Sampson Hick
  • 👤 William Townsley Lugton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 16:09
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/327; G01R31/333; G01R31/3333; G01R31/3336

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2898548A Cited
US3038116A Cited
GB958911A Cited
GB958912A Cited
US3373350A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-06-01 1973-12-01 1974-06-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-06-01 1977-12-01 1978-06-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-06-01 1981-12-01 1982-06-02 $7700.00 Window Closed / Lapsed

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