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US2758175A Expired / Lapsed US ⏱️ 0.0 years remaining

Voltage compensated thermal timer switch

Assignee: General Controls Co
•
Filing: 1952-04-12
•
Granted: 1956-08-07
•
Expires: 1972-04-12
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Abstract

No abstract record available.

Inventors

  • 👤 Hotchkiss Clifford

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 08:47
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/30; H01H43/301; H01H43/302; H01H43/304

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US192006A Cited
US1822191A Cited
US1957995A Cited
US2002467A Cited
US1974188A Cited
US2216748A Cited
US2269443A Cited
US2242183A Cited
US2294191A Cited
US2371018A Cited
US2499906A Cited
US2581636A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-08-07 1960-02-06 1960-08-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-08-07 1964-02-06 1964-08-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-08-07 1968-02-06 1968-08-07 $7700.00 Window Closed / Lapsed

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