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US2943168A Expired / Lapsed US ⏱️ 0.0 years remaining

Circuit breakers

Assignee: Federal Pacific Electric Co
•
Filing: 1957-09-16
•
Granted: 1960-06-28
•
Expires: 1977-09-16
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Abstract

No abstract record available.

Inventors

  • 👤 Donald C Mills

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 01:00
CPC Classifications
H; H02; H02B; H02B11/00; H02B11/12; H02B11/127; H02B11/133; H01; H01H; H01H3/00; H01H3/22; H01H3/30; H01H3/3031

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1942699A Cited
US2053373A Cited
US2330820A Cited
US2413130A Cited
US2601482A Cited
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US2648234A Cited
GB731280A Cited
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US2775670A Cited
US2851556A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-06-28 1963-12-28 1964-06-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-06-28 1967-12-28 1968-06-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-06-28 1971-12-28 1972-06-28 $7700.00 Window Closed / Lapsed

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