US3241031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diode protection
Assignee: Motors Liquidation Co
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Filing: 1962-06-14
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Granted: 1966-03-15
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Expires: 1982-06-14
Abstract
No abstract record available.
Inventors
- 👤 Louis J Raver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:33
CPC Classifications
H; H02; H02H; H02H11/00; H02H11/002; H02H7/00; H02H7/10; H02H7/12; H02H7/125; H02H7/1257; H02J; H02J7/00; H02J7/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
158 words
IN COMBINATION, A SOURCE OF A.C. VOLTAGE, A BATTERY, A RECTIFYING CIRCUIT INCLUDING AT LEAST ONE DIODE CONNECTED IN CIRCUIT WITH SAID SOURCE OF VOLTAGE AND SAID BATTERY FOR SUPPLYING CHARGING CURRENT TO SAID BATTERY, AN AUXILIARY DIODE HAVING A HIGHER FORWARD CURRENT RATING THAN SAID RECTIFYING CIRCUIT CONNECTED IN PARALLEL WITH SAID RECTIFYING CIRCUIT AND BATTERY AND POLED TO CONDUCT CURRENT IN THE SAME DIRECTION AS SAID RECTIFYING CIRCUIT, SAID AUXILIARY DIODE HAVING A LOWER FORWARD THRESHOLD VOLTAGE THAN THE FORWARD THRESHOLD VOLTAGE OF SAID RECTIFYING CIRCUIT WHEREBY SAID AUXILIARY DIODE WILL CONDUCT IN A FORWARD DIRECTION PRIOR TO THE CONDUCTION OF SAID RECTIFYING CIRCUIT IN A FORWARD DIRECTION WHEN A BATTERY IS CONNECTED TO SAID RECTIFYING CIRCUIT IN SUCH A DIRECTION AS TO FORCE CURRENT IN A FORWARD DIRECTION THROUGH SAID RECTIFYING CIRCUIT AND AUXILIARY DIODE, AND MEANS RESPONSIVE TO A PREDETERMINED FORWARD CURRENT FLOW THROUGH SAID AUXILIARY DIODE FOR DISCONNECTING SAID RECTIFYING CIRCUIT AND BATTERY.
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |