Patent US3202843A successfully refreshed from Google Patents.
US3202843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermionic converters
Assignee: Individual
•
Filing: 1959-12-08
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Granted: 1965-08-24
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Expires: 1979-12-08
Abstract
No abstract record available.
Inventors
- 👤 Hurst Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:07
CPC Classifications
H; H01; H01J; H01J45/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A THERMIONIC CONVERTER FOR GENERATING ELECTRICITY COMPRISING A VACUUM-TIGHT VESSEL OF HEAT RESISTANT MATERIAL, A TUBULAR CATHODE MOUNTED WITHIN SAID VESSEL, A TUBULAR ANODE WITHIN SAID VESSEL AND SURROUNDING SAID CATHODE, A LAYER OF ELECTRON EMITTING MATERIAL BETWEEN SAID CATHODE AND SAID ANODE, OUTPUT ELECTRICAL CONDUCTORS CONNECTED RESPECTIVELY TO SAID CATHODE AND SAID ANODE AND EXTENDING THROUGH THE WALL OF SAID VESSEL TO THE EXTERIOR THEREOF, AND A SOLID ENERGIZING HEATER ROD OF THERMALLY CONDUCTING MATERIAL HAVING ONE END DISPOSED WITHIN SAID CATHODE AND HAVING ITS OTHER END PROJECTING FROM ONE END OF SAID VESSEL FOR CONDUCTING HEAT TO SAID CATHODE FROM AN EXTERNAL HEAT SOURCE.
Claim 2
Dependent Claim
106 words
A THERMIONIC CONVERTER FOR GENERATING ELECTRICITY COMPRISING A VACUUM-TIGHT VESSEL OF HEAT RESISTANT MATERIAL, A TUBULAR CATHODE MOUNTED WITHIN SAID VESSEL, A TUBULAR ANODE WITHIN SAID VESSEL AND SURROUNDING SAID CATHODE, A LAYER OF ELECTRON EMITTING MATERIAL BETWEEN SAID CATHODE AND SAID ANODE, OUTPUT ELECTRICAL CONDUCTORS CONNECTED RESPECTIVELY TO SAID CATHODE AND SAID ANODE AND EXTENDING THROUGH THE WALL OF SAID VESSEL TO THE EXTERIOR THEREOF, AND A SOLID ENERGIZING HEATER ROD OF THERMALLY CONDUCTING MATERIAL HAVING ONE END DISPOSED WITHIN SAID CATHODE AND HAVING ITS OTHER END PROJECTING FROM ONE END OF SAID VESSEL FOR CONDUCTING HEAT TO SAID CATHODE FROM AN EXTERNAL HEAT SOURCE.
References Cited (Backward Citations)
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US2437576A
Cited
US2510397A
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US2688648A
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US2759112A
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US3093757A
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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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |