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Patent US3129371A successfully refreshed from Google Patents.
US3129371A
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Device for converting light energy into mechanical energy
Assignee: Baumgartner Freres SA
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Filing: 1961-01-30
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Granted: 1964-04-14
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Expires: 1981-01-30
Abstract
No abstract record available.
Inventors
- 👤 Bourguign Jules-Florent-Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:38
CPC Classifications
G; G04; G04C; G04C10/00; G04C10/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
118 words
A DEVICE FOR CONVERTING LIGHT ENERGY INTO MECHANICAL ENERGY, COMPRISING AT LEAST ONE PHOTO-ELECTRIC CELL ADAPTED TO BE EXPOSED TO SAID LIGHT ENERGY, CHARGINGCONDENSER MEANS CONNECTED TO SAID PHOTO-ELECTRIC CELL, SAID CHARGING-CONDENSER MEANS BEING CHARGED BY SAID PHOTO-ELECTRIC CELL WHEN THE LATTER IS EXPOSED TO SAID LIGHT ENERGY, AN ELECTO-MECHANICAL TRANSDUCER, AND RELAY MEANS CONNECTED TO SAID CHARGING-CONDENSER MEANS, SAID RELAY MEANS BEING OPERABLE WHEN THE CHARGE OF SAID CHARGINGCONDENSER MEANS HAS REACHED A PREDETERMINED LEVEL FOR INTERCONNECTING SAID CHARGING-CONDENSER MEANS AND SAID ELECTRO-MECHANICAL TRANSDUCER FOR DISCHARGING SAID CHARGE THROUGH SAID ELECTRO-MECHANICAL TRANSDUCER, AND MEANS FOR MAINTAING SAID RELAY MEANS IN A CONDITION FOR INTERCONNECTING SAID CHARGING-CONDENSER MEANS AND SAID ELECTROMECHANICAL TRANSDUCER DURING DISCHARGE OF THE CHARGINGCONDENSER MEANS.
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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |