US3026439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solar energy converters
Assignee: Hoffman Electronics Corp
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Filing: 1959-08-03
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Granted: 1962-03-20
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Expires: 1979-08-03
Abstract
No abstract record available.
Inventors
- 👤 Geer Charles Willard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:33
CPC Classifications
H; H01; H01J; H01J45/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A THERMIONIC SOLAR ENERGY CONVERTER COMPRISING: A CONICAL ANODE; A CONICAL CATHODE LOCATED WITHIN SAID ANONDE AND HAVING AN OPENING IN ITS BASE SO THAT WHEN SAID BASE IS ORIENTED TOWARDS THE SUN, SUNLIGHT CAN IMPINGE UPON SAID CATHODE, SAID ANODE AND CATHODE BEING SPACED SO AS TO FORM A CHAMBER THEREBETWEEN; A GAS IN SAID CHAMBER, SAID GAS BEING CAPABLE OF IONIZING INTO POSITIVE CHARGES WHEN EXPOSED TO ULTRAVOILET LIGHT; AND A MEANS FOR PREVENTING SAID GAS FROM ESCAPING FROM SAID CHAMBER, SAID MEANS ALLOWING ULTRAVOILET LIGHT FROM SAID SUN TO ENTER SAID CHAMBER AND IONIZE SAID GAS, THEREBY REDUCING ANY SPACE CHARGE THAT DEVELOPS BETWEEN SAID CATHODE AND ANODE.
Claim 2
Dependent Claim
111 words
A THERMIONIC SOLAR ENERGY CONVERTER COMPRISING: A CONICAL ANODE; A CONICAL CATHODE LOCATED WITHIN SAID ANONDE AND HAVING AN OPENING IN ITS BASE SO THAT WHEN SAID BASE IS ORIENTED TOWARDS THE SUN, SUNLIGHT CAN IMPINGE UPON SAID CATHODE, SAID ANODE AND CATHODE BEING SPACED SO AS TO FORM A CHAMBER THEREBETWEEN; A GAS IN SAID CHAMBER, SAID GAS BEING CAPABLE OF IONIZING INTO POSITIVE CHARGES WHEN EXPOSED TO ULTRAVOILET LIGHT; AND A MEANS FOR PREVENTING SAID GAS FROM ESCAPING FROM SAID CHAMBER, SAID MEANS ALLOWING ULTRAVOILET LIGHT FROM SAID SUN TO ENTER SAID CHAMBER AND IONIZE SAID GAS, THEREBY REDUCING ANY SPACE CHARGE THAT DEVELOPS BETWEEN SAID CATHODE AND ANODE.
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) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |