US3002116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermionic generator
Assignee: General Electric Co
•
Filing: 1958-11-03
•
Granted: 1961-09-26
•
Expires: 1978-11-03
Abstract
No abstract record available.
Inventors
- 👤 John C Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:49
CPC Classifications
H; H01; H01J; H01J45/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1451271A
Cited
US1701840A
Cited
US2071748A
Cited
US2736800A
Cited
US2617064A
Cited
US2740915A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |