Patent US3243869A successfully refreshed from Google Patents.
US3243869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing thermoelectric elements
Assignee: Westinghouse Electric Corp
•
Filing: 1962-11-27
•
Granted: 1966-04-05
•
Expires: 1982-11-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Stewart W Sandberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:48
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/01; Y; Y10; Y10S; Y10S228/00; Y10S228/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN A PROCESS FOR PRODUCING AN INTEGRAL THERMOELECTRIC ELEMENT, THE STEPS COMPRISING ASSEMBLY WITHIN AN INNER AND OUTER CYLINDRICAL METAL MEMBER, A PLURALITY OF COMPRESSED BODIES OF POWERED THERMOELECTRIC MATERIAL, ELECTRICAL INSULATION INTERPOSED BETWEEN THE BODIES, BRIDGING ELECTRICAL CONTACTS BETWEEN CERTAIN PORTIONS OF THE BODIES OF THERMOELECTRIC MATERIAL AND INSULATION BETWEEN THE CYLINDRICAL MEMBERS AND THE BRIDGING MEMBERS TO PROVIDE A CLOSELY PACKED ASSEMBLY, THEN MECHANICALLY DEFORMING THE ENTIRE ASSEMBLY UNTIL THE OUTER CYLINDRICAL MEMBER HAS A REDUCTION IN AREA OF FROM 1% TO 15%, THE INNER CYLINDRICAL MEMBER BEING SOLID DURING THE MECHANICAL DEFORMATION AT LEAST WHEN THE REDUCTION IN AREA EXCEEDS ABOUT 5% AND, SINTERING THE DEFORMED ASSEMBLY AT THE SINTERING TEMPERATURE OF THE BODIES OF THERMOELECTRIC MATERIAL TO PROVIDE A METALLURGICAL BOND BETWEEN THE THERMOLECTRICAL BODIES AND THE BRIDGING ELECTRICAL CONTACTS.
Claim 2
Dependent Claim
134 words
IN A PROCESS FOR PRODUCING AN INTEGRAL THERMOELECTRIC ELEMENT, THE STEPS COMPRISING ASSEMBLY WITHIN AN INNER AND OUTER CYLINDRICAL METAL MEMBER, A PLURALITY OF COMPRESSED BODIES OF POWERED THERMOELECTRIC MATERIAL, ELECTRICAL INSULATION INTERPOSED BETWEEN THE BODIES, BRIDGING ELECTRICAL CONTACTS BETWEEN CERTAIN PORTIONS OF THE BODIES OF THERMOELECTRIC MATERIAL AND INSULATION BETWEEN THE CYLINDRICAL MEMBERS AND THE BRIDGING MEMBERS TO PROVIDE A CLOSELY PACKED ASSEMBLY, THEN MECHANICALLY DEFORMING THE ENTIRE ASSEMBLY UNTIL THE OUTER CYLINDRICAL MEMBER HAS A REDUCTION IN AREA OF FROM 1% TO 15%, THE INNER CYLINDRICAL MEMBER BEING SOLID DURING THE MECHANICAL DEFORMATION AT LEAST WHEN THE REDUCTION IN AREA EXCEEDS ABOUT 5% AND, SINTERING THE DEFORMED ASSEMBLY AT THE SINTERING TEMPERATURE OF THE BODIES OF THERMOELECTRIC MATERIAL TO PROVIDE A METALLURGICAL BOND BETWEEN THE THERMOLECTRICAL BODIES AND THE BRIDGING ELECTRICAL CONTACTS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |