US3331432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asymmetrical heat conductor
Assignee: Individual
•
Filing: 1964-10-06
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Granted: 1967-07-18
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Expires: 1984-10-06
Abstract
No abstract record available.
Inventors
- 👤 Eugene S Cotton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:46
CPC Classifications
C; C09; C09K; C09K5/00; C09K5/08; C09K5/14; F; F28; F28F; F28F13/00; F28F2013/005; F28F2013/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A HEAT SYSTEM COMPRISING A SOURCE OF HEAT THAT FLUCTUATES IN TEMPERATURE, A HEAT RESERVOIR, AND A SOLID COMPOSITE BODY COMPRISING TWO DISSIMILAR ISOTROPIC MATERIALS, ONE OF SAID MATERIALS HAVING A NEGATIVE SLOPE TO ITS THERMAL CONDUCTIVITY VERSUS TEMPERATURE CURVE, AND THE OTHER OF SAID MATERIALS HAVING A POSITIVE SLOPE TO ITS THERMAL CONDUCTIVITY VERSUS TEMPERATURE CURVE, SAID ISOTROPIC MATERIALS JOINED TOGETHER SO AS TO EFFECT GOOD THERMAL CONTACT THEREBETWEEN, AND HAVING SAID SOLID COMPOSITE BODY IN HEAT TRANSFERRING RELATIONSHIP BETWEEN SAID SOURCE AND SAID HEAT RESERVOIR AND ORIENTED SO THAT THE HEAT FLOW THROUGH SAID BODY IS ASYMMETRIC.
Claim 2
Dependent Claim
99 words
A HEAT SYSTEM COMPRISING A SOURCE OF HEAT THAT FLUCTUATES IN TEMPERATURE, A HEAT RESERVOIR, AND A SOLID COMPOSITE BODY COMPRISING TWO DISSIMILAR ISOTROPIC MATERIALS, ONE OF SAID MATERIALS HAVING A NEGATIVE SLOPE TO ITS THERMAL CONDUCTIVITY VERSUS TEMPERATURE CURVE, AND THE OTHER OF SAID MATERIALS HAVING A POSITIVE SLOPE TO ITS THERMAL CONDUCTIVITY VERSUS TEMPERATURE CURVE, SAID ISOTROPIC MATERIALS JOINED TOGETHER SO AS TO EFFECT GOOD THERMAL CONTACT THEREBETWEEN, AND HAVING SAID SOLID COMPOSITE BODY IN HEAT TRANSFERRING RELATIONSHIP BETWEEN SAID SOURCE AND SAID HEAT RESERVOIR AND ORIENTED SO THAT THE HEAT FLOW THROUGH SAID BODY IS ASYMMETRIC.
References Cited (Backward Citations)
US3154139A
Cited
US3176678A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |