US3256474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery charging and protective circuit
Assignee: General Electric Co
•
Filing: 1963-07-22
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Granted: 1966-06-14
•
Expires: 1983-07-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Arvid E Englund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:02
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/50; H02J7/575
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
IN A BATTERY CHARGING AND PROTECTIVE CIRCUIT THE COMBINATION COMPRISING: A PAIR OF STORAGE BATTERIES, A SOURCE OF ALTERNATING VOLTAGE HAVING AN INTERMEDIATE POINT OF FIXED REFERENCE POTENTIAL AND OPPOSITE POINTS OF OPPOSITELY PHASED ALTERNATING VOLTAGE, RECTIFYING MEANS CONNECTED TO SAID OPPOSITE POINTS FOR RECTIFYING SAID ALTERNATING VOLTAGE TO PROVIDE THEREBY A DIRECT CHARGING CURRENT FOR SAID BATTERIES, MEANS CONNECTING SAID DIRECT CHARGING CURRENT TO A LIKE POLE ON EACH OF SAID BATTERIES, AN ASYMMETRIC CONDUCTING DEVICE CONNECTED BETWEEN THE OTHER LIKE POLES OF SAID BATTERIES, SAID ASYMMETRIC CONDUCTING DEVICE BEING POLED IN A DIRECTOIN TO ESTABLISH A CHARGING PATH FOR ONE OF SAID BATTERIES DURING BOTH SERIAL SAID PARALLEL OPERATION, AND A DISCHARGE PATH FOR THE OTHER OF SAID BATTERIES DURING PARALLEL OPERATION, A SWITCH HAVING TWO SELECTIVE POSITION, SAID SWITCH BEING
Claim 2
Dependent Claim
133 words
IN A BATTERY CHARGING AND PROTECTIVE CIRCUIT THE COMBINATION COMPRISING: A PAIR OF STORAGE BATTERIES, A SOURCE OF ALTERNATING VOLTAGE HAVING AN INTERMEDIATE POINT OF FIXED REFERENCE POTENTIAL AND OPPOSITE POINTS OF OPPOSITELY PHASED ALTERNATING VOLTAGE, RECTIFYING MEANS CONNECTED TO SAID OPPOSITE POINTS FOR RECTIFYING SAID ALTERNATING VOLTAGE TO PROVIDE THEREBY A DIRECT CHARGING CURRENT FOR SAID BATTERIES, MEANS CONNECTING SAID DIRECT CHARGING CURRENT TO A LIKE POLE ON EACH OF SAID BATTERIES, AN ASYMMETRIC CONDUCTING DEVICE CONNECTED BETWEEN THE OTHER LIKE POLES OF SAID BATTERIES, SAID ASYMMETRIC CONDUCTING DEVICE BEING POLED IN A DIRECTOIN TO ESTABLISH A CHARGING PATH FOR ONE OF SAID BATTERIES DURING BOTH SERIAL SAID PARALLEL OPERATION, AND A DISCHARGE PATH FOR THE OTHER OF SAID BATTERIES DURING PARALLEL OPERATION, A SWITCH HAVING TWO SELECTIVE POSITION, SAID SWITCH BEING
References Cited (Backward Citations)
US1067631A
Cited
US3021469A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |