US3350618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery charging control
Assignee: Space-General Corp
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Filing: 1964-04-01
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Granted: 1967-10-31
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Expires: 1984-04-01
Abstract
No abstract record available.
Inventors
- 👤 John D Barney
- 👤 Leland A Zanteson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:29
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/34; H02J7/35; G; G01; G01R; G01R31/00; G01R31/36; G01R31/378; H02J7/60; H02J7/61
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A POWER SUPPLY SYSTEM COMPRISING A SOLAR CELL HAVING A PAIR OF TERMINALS FOR CONNECTING TO AN ELECTRIC LOAD, A STORAGE CELL CONNECTED IN PARALLEL WITH THE SOLAR CELL, WHEREBY LOAD CURRENT IS SUPPLIED BY THE COMBINATION OF THE SOLAR CELL AND STORAGE CELL, AND WHEREBY THE SOLAR CELL WHEN SUBJECT TO AMBIENT RADIATION SERVES TO MAINTAIN THE CHARGE OF THE STORAGE CELL; A CURRENT REGULAROR CONNECTED IN THE CURRENT PATH BETWEEN THE SOLAR CELL AND THE STORAGE CELL, SAID CURRENT REGULATOR INCLUDING A TRANSISTOR WITH EMITTER AND COLLECTOR ELECTRODES IN THE SERIES CURRENT PATH FROM THE SOLAR CELL, AND VOLTAGE REFERENCE SOURCE FOR MAINTAINING A PREDETERMINED MAXIMUM ELECTRODE BIAS ON SAID TRANSISTOR, AND A PAIR OF TEMPERATURE SENSITIVE RESISTANCE ELEMENT, ONE OF SAID PAIR OF RESISTANCE
Claim 2
Dependent Claim
127 words
A POWER SUPPLY SYSTEM COMPRISING A SOLAR CELL HAVING A PAIR OF TERMINALS FOR CONNECTING TO AN ELECTRIC LOAD, A STORAGE CELL CONNECTED IN PARALLEL WITH THE SOLAR CELL, WHEREBY LOAD CURRENT IS SUPPLIED BY THE COMBINATION OF THE SOLAR CELL AND STORAGE CELL, AND WHEREBY THE SOLAR CELL WHEN SUBJECT TO AMBIENT RADIATION SERVES TO MAINTAIN THE CHARGE OF THE STORAGE CELL; A CURRENT REGULAROR CONNECTED IN THE CURRENT PATH BETWEEN THE SOLAR CELL AND THE STORAGE CELL, SAID CURRENT REGULATOR INCLUDING A TRANSISTOR WITH EMITTER AND COLLECTOR ELECTRODES IN THE SERIES CURRENT PATH FROM THE SOLAR CELL, AND VOLTAGE REFERENCE SOURCE FOR MAINTAINING A PREDETERMINED MAXIMUM ELECTRODE BIAS ON SAID TRANSISTOR, AND A PAIR OF TEMPERATURE SENSITIVE RESISTANCE ELEMENT, ONE OF SAID PAIR OF RESISTANCE
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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |