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US2985700A
Expired / Lapsed
US
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Titanate thermoelectric materials
Assignee: Westinghouse Electric Corp
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Filing: 1959-06-10
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Granted: 1961-05-23
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Expires: 1979-06-10
Abstract
No abstract record available.
Inventors
- 👤 William D Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:53
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/80; H10N10/85; H10N10/851; H10N10/855; C; C04; C04B; C04B35/00; C04B35/01; C04B35/46; C04B35/462
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A THERMOELECTRIC POWER GENERATING DEVICE COMPRISING AT LEAST ONE PAIR OF JOINED MEMBERS, ONE BEING AN N-TYPE MEMBER COMPRISED OF A MATERIAL HAVING THE FORMULA:
Claim 2
Dependent Claim
25 words
A THERMOELECTRIC POWER GENERATING DEVICE COMPRISING AT LEAST ONE PAIR OF JOINED MEMBERS, ONE BEING AN N-TYPE MEMBER COMPRISED OF A MATERIAL HAVING THE FORMULA:
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) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |