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US2458583A Expired / Lapsed US ⏱️ 0.0 years remaining

Protective device for use with enclosed bus bar distribution systems

Assignee: Bulldog Electric Products Co
•
Filing: 1947-07-01
•
Granted: 1949-01-11
•
Expires: 1967-07-01
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Abstract

No abstract record available.

Inventors

  • 👤 William H Frank

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 17:10
CPC Classifications
H; H02; H02G; H02G5/00; H02G5/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1456091A Cited
US1729561A Cited
US1782458A Cited
US2056040A Cited
US2088105A Cited
US2059987A Cited
US2323776A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-01-11 1952-07-12 1953-01-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-01-11 1956-07-12 1957-01-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-01-11 1960-07-12 1961-01-11 $7700.00 Window Closed / Lapsed

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