US2740031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Miniature temperature-responsive resistor
Assignee: Hartford National Bank and Trust Co
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Filing: 1953-07-29
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Granted: 1956-03-27
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Expires: 1973-07-29
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 12:04
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 |