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US3157767A Expired / Lapsed US ⏱️ 0.0 years remaining

Temperature responsive switch with improved strut arrangement

Assignee: Individual
•
Filing: 1961-12-12
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Granted: 1964-11-17
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Expires: 1981-12-12
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Abstract

No abstract record available.

Inventors

  • 👤 William O Lee

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 23:08
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/46

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 88 words
A STRUT FOR A THERMOSTATIC SWITCH MECHANISM OF THE TYPE DESCRIBED COMPRISING A STRIP OF SPRING METAL HAVING LONGITUDINAL EDGES CONSTRUCTED TO TAPER FROM THE OPPOSITE ENDS OF SAID STRIP TOWARD A MID POINT THEREOF, A CONTACT BEAD PROVIDED AT SAID MID POINT, ANGULAR ANCHORING BLOCKS SECURED TO SAID STRIP AT END PORTIONS THEREOF WITH AN EDGE OF SAID BLOCKS DISPOSED SUBSTANTIALLY AT RIGHT ANGLES TO THE LONGITUDINAL AXIS OF SAID STRIP, AND MOUNTING PLUGS OF A DIELECTRIC PLASTIC MOLDED AROUND SAID END PORTIONS AND SAID ANCHORING BLOCKS.
Claim 2
Dependent Claim 88 words
A STRUT FOR A THERMOSTATIC SWITCH MECHANISM OF THE TYPE DESCRIBED COMPRISING A STRIP OF SPRING METAL HAVING LONGITUDINAL EDGES CONSTRUCTED TO TAPER FROM THE OPPOSITE ENDS OF SAID STRIP TOWARD A MID POINT THEREOF, A CONTACT BEAD PROVIDED AT SAID MID POINT, ANGULAR ANCHORING BLOCKS SECURED TO SAID STRIP AT END PORTIONS THEREOF WITH AN EDGE OF SAID BLOCKS DISPOSED SUBSTANTIALLY AT RIGHT ANGLES TO THE LONGITUDINAL AXIS OF SAID STRIP, AND MOUNTING PLUGS OF A DIELECTRIC PLASTIC MOLDED AROUND SAID END PORTIONS AND SAID ANCHORING BLOCKS.

References Cited (Backward Citations)

US2753420A Cited
US2755359A Cited
US2829220A Cited
US2874250A Cited
FR1261678A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-11-17 1968-05-18 1968-11-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-11-17 1972-05-18 1972-11-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-11-17 1976-05-18 1976-11-17 $7700.00 Window Closed / Lapsed

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