US3265910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermionic converters
Assignee: Westinghouse Electric Corp
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Filing: 1962-10-18
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Granted: 1966-08-09
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Expires: 1982-10-18
Abstract
No abstract record available.
Inventors
- 👤 Doanald E Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:53
CPC Classifications
H; H01; H01J; H01J45/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN AN NUCLEAR REACTOR HEAT SOURCE, A THERMIONIC ENERGY CONVERTER COMPRISING, A TUBULAR ANODE OF A REFRACTORY MATERIAL AND A TUBULAR CATHODE OF A HEAVY REFRACTORY METAL WHICH VAPORIZES AT THE TEMPERATURE OF OPERATION DISPOSED WITHIN SAID ANODE AND ADJACENT THE HEAT SOURCE, WITH A SPACE BEING FORMED BWTWEEN SAID ANODE AND CATHODE, SAID SPACE BEING FILLED ONLY WITH A HALOGEN GAS WHICH FORMS A VOLATILE COMPOUND OF THE CATHODE METAL WHICH IS UNSTABLE
Claim 2
Dependent Claim
74 words
IN AN NUCLEAR REACTOR HEAT SOURCE, A THERMIONIC ENERGY CONVERTER COMPRISING, A TUBULAR ANODE OF A REFRACTORY MATERIAL AND A TUBULAR CATHODE OF A HEAVY REFRACTORY METAL WHICH VAPORIZES AT THE TEMPERATURE OF OPERATION DISPOSED WITHIN SAID ANODE AND ADJACENT THE HEAT SOURCE, WITH A SPACE BEING FORMED BWTWEEN SAID ANODE AND CATHODE, SAID SPACE BEING FILLED ONLY WITH A HALOGEN GAS WHICH FORMS A VOLATILE COMPOUND OF THE CATHODE METAL WHICH IS UNSTABLE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |