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US2740031A Expired / Lapsed US ⏱️ 0.0 years remaining

Miniature temperature-responsive resistor

Assignee: Hartford National Bank and Trust Co
•
Filing: 1953-07-29
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Granted: 1956-03-27
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Expires: 1973-07-29
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Abstract

No abstract record available.

Inventors

  • 👤 Addink Claudius Corne Johannes

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 13:02
CPC Classifications
H; H01; H01C; H01C7/00; H01C7/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49085

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 70 words
A MINIATURE TEMPERATURE-RESPONSIVE RESISTOR COMPRISING A CERAMIC TEMPERATURE-SENSITIVE RESISTIVE MATERIAL, A PAIR OF SPACED ELECTRIC CONDUCTORS EMBEDDED IN SAID CERAMIC MATERIAL, AND A GOOD HEAT-CONDUCTING MEMBER, ONE OF SAID CONDUCTORS HAVING OPPOSITE ENDS THERMALLY CONNECTED TO SAID GOOD HEAT-CONDUCTING MEMBER, SAID ONE CONDUCTOR BEING CONSTITUTED BY A MATERIAL AND HAVING A SIZE AT WHICH IT TRANSMITTED HEAT TO AND AWAY FROM THE CERAMIC MATERIAL SUBSTANTIALLY BETTER THAN SAID OTHER CONDUCTOR.
Claim 2
Dependent Claim 70 words
A MINIATURE TEMPERATURE-RESPONSIVE RESISTOR COMPRISING A CERAMIC TEMPERATURE-SENSITIVE RESISTIVE MATERIAL, A PAIR OF SPACED ELECTRIC CONDUCTORS EMBEDDED IN SAID CERAMIC MATERIAL, AND A GOOD HEAT-CONDUCTING MEMBER, ONE OF SAID CONDUCTORS HAVING OPPOSITE ENDS THERMALLY CONNECTED TO SAID GOOD HEAT-CONDUCTING MEMBER, SAID ONE CONDUCTOR BEING CONSTITUTED BY A MATERIAL AND HAVING A SIZE AT WHICH IT TRANSMITTED HEAT TO AND AWAY FROM THE CERAMIC MATERIAL SUBSTANTIALLY BETTER THAN SAID OTHER CONDUCTOR.

References Cited (Backward Citations)

US1526139A Cited
US2463984A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-03-27 1959-09-26 1960-03-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-03-27 1963-09-26 1964-03-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-03-27 1967-09-26 1968-03-27 $7700.00 Window Closed / Lapsed

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