US3379577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric junction assembly with insulating irregular grains bonding insulatinglayer to metallic thermojunction member
Assignee: Cambridge Thermionic Corp
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Filing: 1964-05-01
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Granted: 1968-04-23
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Expires: 1984-05-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Gordon S Bird
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:23
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/80; H10N10/81; H10N10/817; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/929; Y10S428/9335; Y10S428/937; Y10S428/938; Y10S428/939
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US969449A
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US2264152A
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US2724177A
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US2862838A
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US2887971A
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US2925831A
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US3031344A
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US3040539A
Cited
US3146125A
Cited
US3075360A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |