US3485679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric device with embossed graphite member
Assignee: RCA Corp
•
Filing: 1965-10-23
•
Granted: 1969-12-23
•
Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Andrew G F Dingwall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:33
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/80; H10N10/81; H10N10/817
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3079455A
Cited
US2946835A
Cited
US3075360A
Cited
US3338753A
Cited
US3330703A
Cited
US3285017A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |