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Assignee: Bulldog Electric Products Co
•
Filing: 1947-01-25
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Granted: 1952-09-16
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Expires: 1967-01-25
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Abstract

No abstract record available.

Inventors

  • 👤 Elwood T Platz
  • 👤 Russell S Davis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:04
CPC Classifications
H; H01; H01H; H01H73/00; H01H73/48; H01H73/56; H01H73/22; H01H73/30; H01H73/306

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US840186A Cited
US870935A Cited
US1063265A Cited
US1812842A Cited
US2340050A Cited
US2325717A Cited
US2374778A Cited
US2385727A Cited
US2425983A Cited
US2455753A Cited
US2443090A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-09-16 1956-03-17 1956-09-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-09-16 1960-03-17 1960-09-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-09-16 1964-03-17 1964-09-16 $7700.00 Window Closed / Lapsed

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