Patent US3413156A successfully refreshed from Google Patents.
US3413156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric device
Assignee: Gulf General Atomic Inc
•
Filing: 1963-12-18
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Granted: 1968-11-26
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Expires: 1983-12-18
Abstract
No abstract record available.
Inventors
- 👤 Robert J Campana
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:56
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/01
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |