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US2705745A Expired / Lapsed US ⏱️ 0.0 years remaining

Thermal switch

Assignee: FCI USA LLC
•
Filing: 1950-01-07
•
Granted: 1955-04-05
•
Expires: 1970-01-07
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Abstract

No abstract record available.

Inventors

  • 👤 Irving F Matthysse
  • 👤 Dupre Henry Peter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 13:35
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/46

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US634911A Cited
US1111652A Cited
US1123277A Cited
US1330892A Cited
US1406476A Cited
US1643575A Cited
US1483787A Cited
US1819271A Cited
US2183745A Cited
US2211412A Cited
US2496229A Cited
US2550188A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-04-04 1958-10-04 1959-04-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-04-04 1962-10-04 1963-04-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-04-04 1966-10-04 1967-04-05 $7700.00 Window Closed / Lapsed

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