US3056912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric generator
Assignee: Unisys Corp
•
Filing: 1955-11-22
•
Granted: 1962-10-02
•
Expires: 1975-11-22
Abstract
No abstract record available.
Inventors
- 👤 Forman Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:42
CPC Classifications
H; H01; H01J; H01J45/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2126787A
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US2034571A
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US2191594A
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US2414137A
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US2510397A
Cited
US2688648A
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US2847643A
Cited
US2782337A
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US2759112A
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US2863074A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |