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US2778995A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrical testing instrument

Assignee: Rohr Inc
•
Filing: 1953-08-24
•
Granted: 1957-01-22
•
Expires: 1973-08-24
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Abstract

No abstract record available.

Inventors

  • 👤 Gross Bernard
  • 👤 John C Yager

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 06:26
CPC Classifications
B; B23; B23K; B23K31/00; B23K31/12; H; H01; H01R; H01R13/00; H01R13/02; H01R13/22; H01R13/24

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2142619A Cited
US2088843A Cited
US2371636A Cited
US2370009A Cited
US2401917A Cited
US2451613A Cited
US2457669A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-01-22 1960-07-23 1961-01-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-01-22 1964-07-23 1965-01-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-01-22 1968-07-23 1969-01-22 $7700.00 Window Closed / Lapsed

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