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US3433676A
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US
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Thermophotovoltaic energy convertor with photocell mount
Assignee: Motors Liquidation Co
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Filing: 1964-10-21
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Granted: 1969-03-18
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Expires: 1984-10-21
Abstract
No abstract record available.
Inventors
- 👤 Frank S Stein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:05
CPC Classifications
H; H02; H02S; H02S10/00; H02S10/30; Y; Y02; Y02E; Y02E10/00; Y02E10/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2034334A
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DE655927C
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US2428537A
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US2625930A
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US2983887A
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US3005862A
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US2989575A
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US3116171A
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US3232795A
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US3268366A
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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) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |