US3129117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric materials and their production by powdered metallurgy techniques
Assignee: Westinghouse Electric Corp
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Filing: 1960-08-12
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Granted: 1964-04-14
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Expires: 1980-08-12
Abstract
No abstract record available.
Inventors
- 👤 Jr William R Harding
- 👤 Allan S Gelb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:02
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/80; H10N10/85; C; C22; C22C; C22C1/00; C22C1/04; C22C1/047
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
60 words
A THERMOELECTRIC DEVICE IN WHICH AT LEAST ONE P-TYPE AND AT LEAST ONE N-TYPE THERMOELECTRIC ELEMENT IS AN ANISOTROPIC INTERMETALLIC THERMOELECTRIC MATERIAL WHICH HAS BEEN FORMED BY COMPACTING AN ADMIXTURE OF AT LEAST TWO ANISOTROPIC INTERMETALLIC MATERIAL WITH A COMPACTING FORCE WHICH WAS APPLIED PERPENDICULAR TO THE DIRECTION OF ELECTRICAL CURRENT FLOW THROUGH THE THERMOELECTRIC ELEMENTS WITHIN THE THERMOELECTRIC DEVICE.
References Cited (Backward Citations)
GB807619A
Cited
US2952980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |