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US2532081A Expired / Lapsed US ⏱️ 0.0 years remaining

Thermal time lag fuse

Assignee: Jefferson Electric Co
•
Filing: 1945-08-08
•
Granted: 1950-11-28
•
Expires: 1965-08-08
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Abstract

No abstract record available.

Inventors

  • 👤 Gust A Berthel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 00:31
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/04; H01H85/041; H01H85/044; H01H85/045; H01H85/0454

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US530430A Cited
US1122478A Cited
US1539870A Cited
US2113155A Cited
US2293950A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-11-27 1954-05-29 1954-11-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-11-27 1958-05-29 1958-11-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-11-27 1962-05-29 1962-11-28 $7700.00 Window Closed / Lapsed

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