US3275923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermionic converters
Assignee: Individual
•
Filing: 1965-06-08
•
Granted: 1966-09-27
•
Expires: 1985-06-08
Abstract
No abstract record available.
Inventors
- 👤 Robert L Laing
- 👤 Carol D Feemster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:24
CPC Classifications
H; H01; H01J; H01J45/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
A THERMIONIC CONVERTER FOR CONVERTING HEAT ENERGY TO ELECTRICAL ENERGY COMPRISING AN ENCLOSURE INCLUDING MEANS FOR PRODUCING A BEAM OF ELECTRONS INCLUDING A THERMIONIC CATHODE, ADAPTED TO BE HEATED BY A SOURCE OF HEAT, MEANS FOR ACCELERATING SAID BEAM OF ELECTRONS COMPRISING AN ANODE HAVING AN APERTURE THERETHROUGH, AND A COLLECTOR HAVING A CONDUCTIVE SURFACE WITHIN SAID ENCLOSURE, A SOURCE OF HEAT FOR HEATING SAID CATHODE AND OF A MAGNITUDE SUCH THAT IT CONSTITUTES THE PRIMARY SOURCE OF EXTERNAL ENERGY APPLIED TO SAID CONVERTER, MEANS FOR APPLYING A POSITIVE VOLTAGE BETWEEN SAID ANODE AND SAID CATHODE TO ACCELERATE THE PASSAGE OF SAID ELECTRONS THROUGH THE APERTURE IN SAID ANODE TO CAUSE SAID ELECTRONS TO ENGAGE THE CONDUCTIVE SURFACE OF SAID COLLECTOR, AND MEANS OPERATIVE TO WITHDRAW THE ELECTRICAL ENERGY FROM SAID GENERATOR RESULTING FROM THE HEAT APPLIED TO SAID CATHODE, SAID MEANS INCLUDING A UTILIZATION CIRCUIT CONNECTED BETWEEN SAID COLLECTOR AND SAID CATHODE TO WITHDRAW THE ENERGY FROM THE COLLECTOR DUE TO THE ELECTRONS ENGAGING THE CONDUCTIVE SURFACE THEREOF, SAID UTILIZATION CIRCUIT BEING FREE OF ANY EXTERNAL ELECTRICAL SOURCE OF POWER.
Claim 2
Dependent Claim
181 words
A THERMIONIC CONVERTER FOR CONVERTING HEAT ENERGY TO ELECTRICAL ENERGY COMPRISING AN ENCLOSURE INCLUDING MEANS FOR PRODUCING A BEAM OF ELECTRONS INCLUDING A THERMIONIC CATHODE, ADAPTED TO BE HEATED BY A SOURCE OF HEAT, MEANS FOR ACCELERATING SAID BEAM OF ELECTRONS COMPRISING AN ANODE HAVING AN APERTURE THERETHROUGH, AND A COLLECTOR HAVING A CONDUCTIVE SURFACE WITHIN SAID ENCLOSURE, A SOURCE OF HEAT FOR HEATING SAID CATHODE AND OF A MAGNITUDE SUCH THAT IT CONSTITUTES THE PRIMARY SOURCE OF EXTERNAL ENERGY APPLIED TO SAID CONVERTER, MEANS FOR APPLYING A POSITIVE VOLTAGE BETWEEN SAID ANODE AND SAID CATHODE TO ACCELERATE THE PASSAGE OF SAID ELECTRONS THROUGH THE APERTURE IN SAID ANODE TO CAUSE SAID ELECTRONS TO ENGAGE THE CONDUCTIVE SURFACE OF SAID COLLECTOR, AND MEANS OPERATIVE TO WITHDRAW THE ELECTRICAL ENERGY FROM SAID GENERATOR RESULTING FROM THE HEAT APPLIED TO SAID CATHODE, SAID MEANS INCLUDING A UTILIZATION CIRCUIT CONNECTED BETWEEN SAID COLLECTOR AND SAID CATHODE TO WITHDRAW THE ENERGY FROM THE COLLECTOR DUE TO THE ELECTRONS ENGAGING THE CONDUCTIVE SURFACE THEREOF, SAID UTILIZATION CIRCUIT BEING FREE OF ANY EXTERNAL ELECTRICAL SOURCE OF POWER.
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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |