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US3255331A Expired / Lapsed US ⏱️ 0.0 years remaining

Immersion thermostatic switch

Assignee: Individual
•
Filing: 1960-07-05
•
Granted: 1966-06-07
•
Expires: 1980-07-05
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Abstract

No abstract record available.

Inventors

  • 👤 Ulanet Herman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 11:43
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/52; H01H37/521

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 165 words
A THERMOSTATIC SWITCH COMPRISING AN ELECTRICALLY AND THERMALLY CONDUCTIVE HOLLOW BODY CLOSED AT ONE END, A PAIR OF OPPOSED, CONVEX-CONCAVE, THERMOSENITIVE BIMETALS SEATED WITHIN THE CLOSED END OF THE HOLLOW BODY AND RESILIENTLY ENGAGED WITH EACH OTHER AND THE BODY, A MOVABLE INSULATOR RESILIENTLY ENGAGED WITHIN ONE OF THE BIMETALS, THE MOVABLE INSULATOR HAVING BORE, A STATIONARY INSULATOR SEATED WITHIN THE OPPPOSITE END OF THE BODY, MEANS BETWEEN THE MOVABLE INSULATOR AND FIXED INSULATOR FOR MAINTAINING SAID MOVABLE INSULATOR IN RESILIENT ENGAGEMENT WITH THE BIMETALS, AN ELECTRICALLY CONDUCTIVE ROD SLIDABLY MOUNTED WITHIN THE BORE IN THE MOVABLE INSULATOR HAVING ONE END POSITIONED FOR ELECTRICAL CONTACT WITH ONE OF THE BIMETALS WHEREBY CHANGES IN THE CURVATURE OF THE BIMETALS WILL CAUSE THE ROD TO ENGAGE AND DISENGAGE THE BIMETAL, AND ELECTRICALLY CONDUCTIVE MEANS COMMUNICATING THROUGH THE STATIONARY INSULATOR AND CONNECTED TO THE OPPOSITE END OF THE SAID ROD, AND AN EXTERNAL ELECTRICAL CONTACT MEMBER CONNECTED TO THE SAID CONDUCTIVE MEANS BUT ELECTRICALLY INSULATED FROM THE BODY.
Claim 2
Dependent Claim 165 words
A THERMOSTATIC SWITCH COMPRISING AN ELECTRICALLY AND THERMALLY CONDUCTIVE HOLLOW BODY CLOSED AT ONE END, A PAIR OF OPPOSED, CONVEX-CONCAVE, THERMOSENITIVE BIMETALS SEATED WITHIN THE CLOSED END OF THE HOLLOW BODY AND RESILIENTLY ENGAGED WITH EACH OTHER AND THE BODY, A MOVABLE INSULATOR RESILIENTLY ENGAGED WITHIN ONE OF THE BIMETALS, THE MOVABLE INSULATOR HAVING BORE, A STATIONARY INSULATOR SEATED WITHIN THE OPPPOSITE END OF THE BODY, MEANS BETWEEN THE MOVABLE INSULATOR AND FIXED INSULATOR FOR MAINTAINING SAID MOVABLE INSULATOR IN RESILIENT ENGAGEMENT WITH THE BIMETALS, AN ELECTRICALLY CONDUCTIVE ROD SLIDABLY MOUNTED WITHIN THE BORE IN THE MOVABLE INSULATOR HAVING ONE END POSITIONED FOR ELECTRICAL CONTACT WITH ONE OF THE BIMETALS WHEREBY CHANGES IN THE CURVATURE OF THE BIMETALS WILL CAUSE THE ROD TO ENGAGE AND DISENGAGE THE BIMETAL, AND ELECTRICALLY CONDUCTIVE MEANS COMMUNICATING THROUGH THE STATIONARY INSULATOR AND CONNECTED TO THE OPPOSITE END OF THE SAID ROD, AND AN EXTERNAL ELECTRICAL CONTACT MEMBER CONNECTED TO THE SAID CONDUCTIVE MEANS BUT ELECTRICALLY INSULATED FROM THE BODY.

References Cited (Backward Citations)

US812776A Cited
US1434633A Cited
US2127575A Cited
US2230770A Cited
US2497025A Cited
US2753421A Cited
US2839635A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-06-06 1969-12-06 1970-06-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-06-06 1973-12-06 1974-06-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-06-06 1977-12-06 1978-06-07 $7700.00 Window Closed / Lapsed

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