Patent US3763463A successfully refreshed from Google Patents.
US3187205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermionic converter
Assignee: North American Aviation Corp
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Filing: 1961-11-22
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Granted: 1965-06-01
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Expires: 1981-11-22
Abstract
No abstract record available.
Inventors
- 👤 William R Martini
- 👤 Raleigh L Mckisson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:05
CPC Classifications
H; H01; H01J; H01J45/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A THERMIONIC CONVERTER COMPRISING A HEATING ZONE AND AN ADJACENT CONVERSION ZONE, WITH A COMBUSTION CHAMEBR IN SAID HEATING ZONE; MEANS FOR INTRODUCING AIR AND FUEL INTO SAID COMBUSTION CHAMBER; MEANS IN SAID COMBUSTION CHAMBER FOR STABILIZING THE COMBUSTION OF SAID FUEL IN SAID CHAMBER; A THERMIONIC DIODE IN SAID CONVERSION ZONE HAVING A CATHODE, AN ANODE SPACED FROM SAID CATHODE, AND A SOURCE OF IONIZABLE GAS CONNECTED TO SAID DIODE AND COMMUNICATING WITH THE SPACE BETWEEN SAID ANODE AND CATHODE; AND MEANS FOR REMOVABLY SUPPORTING SAID DIODE WITH SAID CATHODE IN HEAT EXCHANGING RELATIONSHIP WITH SAID COMBUSTION CHAMBER.
Claim 2
Dependent Claim
99 words
A THERMIONIC CONVERTER COMPRISING A HEATING ZONE AND AN ADJACENT CONVERSION ZONE, WITH A COMBUSTION CHAMEBR IN SAID HEATING ZONE; MEANS FOR INTRODUCING AIR AND FUEL INTO SAID COMBUSTION CHAMBER; MEANS IN SAID COMBUSTION CHAMBER FOR STABILIZING THE COMBUSTION OF SAID FUEL IN SAID CHAMBER; A THERMIONIC DIODE IN SAID CONVERSION ZONE HAVING A CATHODE, AN ANODE SPACED FROM SAID CATHODE, AND A SOURCE OF IONIZABLE GAS CONNECTED TO SAID DIODE AND COMMUNICATING WITH THE SPACE BETWEEN SAID ANODE AND CATHODE; AND MEANS FOR REMOVABLY SUPPORTING SAID DIODE WITH SAID CATHODE IN HEAT EXCHANGING RELATIONSHIP WITH SAID COMBUSTION CHAMBER.
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) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |