Patent US3379577A successfully refreshed from Google Patents.
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
•
Filing: 1964-05-01
•
Granted: 1968-04-23
•
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 13:05
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US969449A
Cited
US2264152A
Cited
US2724177A
Cited
US2862838A
Cited
US2887971A
Cited
US2925831A
Cited
US3031344A
Cited
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 |