US2959925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric heating and cooling
Assignee: Westinghouse Electric Corp
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Filing: 1959-06-25
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Granted: 1960-11-15
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Expires: 1979-06-25
Abstract
No abstract record available.
Inventors
- 👤 Edsel W Frantti
- 👤 Robert S Lackey
- 👤 Jack D Meess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:06
CPC Classifications
H; H10; H10N; H10N10/00; A; A47; A47J; A47J36/00; A47J36/24; A47J36/2411; A47J36/2433; F; F25; F25B; F25B21/00; F25B21/02; F25B21/04; G; G04; G04C; G04C3/00; F25B2321/00; F25B2321/02; F25B2321/021; F25B2321/0212; F25D; F25D2331/00; F25D2331/80; F25D2331/803; F25D31/00; F25D31/006; F25D31/007
Claims Analysis
Total Claims: 0
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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) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |