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US3054049A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrical testing apparatus

Assignee: AB Chance Co
•
Filing: 1959-07-17
•
Granted: 1962-09-11
•
Expires: 1979-07-17
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Abstract

No abstract record available.

Inventors

  • 👤 Philip G Chance

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 23:41
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/12; G01R31/16

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US856012A Cited
US1897330A Cited
US1950484A Cited
US2626982A Cited
US2890409A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-09-10 1966-03-12 1966-09-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-09-10 1970-03-12 1970-09-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-09-10 1974-03-12 1974-09-11 $7700.00 Window Closed / Lapsed

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