US3247443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage regulator
Assignee: Globe Union Inc
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Filing: 1963-01-25
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Granted: 1966-04-19
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Expires: 1983-01-25
Abstract
No abstract record available.
Inventors
- 👤 Elwin J Brayley
- 👤 Thomas E Swift
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:07
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/14; H02J7/16; H02J7/24; H02J7/243
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN COMBINATION WITH A TRANSISTOR VOLTAGE REGULATOR FOR A BATTERY-ALTERNATOR ELECTRICAL SYSTEM HAVING AN OPERATING SWITCH, A BATTERY SOURCE OF POTENTIAL, AND A JUNCTION TYPE TRANSISTOR HAVING BASE, COLLECTOR AND EMITTER ELECTRODES, CIRCUIT MEANS CONNECTING THE BATTERY TO THE REGULATOR THROUGH THE COLLECTOR-EMITTER ELECTRODES OF SAID TRANSISTOR, AND SECOND CIRCUIT MEANS CONNECTING THROUGH SAID SWITCH, SAID BATTERY TO THE BASE OF SAID TRANSISTOR TO BIAS SAID TRANSISTOR TO ITS LOW IMPEDANCE MODE, SAID SECOND CIRCUIT MEANS INCLUDING SAID SWITCH WHEREBY THERE IS ESSENTIALLY NO CURRENT FLOW THROUGH SAID OPERATING SWITCH WHEN SAID TRANSISTOR IS IN SAID LOW IMPEDANCE MODE.
Claim 2
Dependent Claim
99 words
IN COMBINATION WITH A TRANSISTOR VOLTAGE REGULATOR FOR A BATTERY-ALTERNATOR ELECTRICAL SYSTEM HAVING AN OPERATING SWITCH, A BATTERY SOURCE OF POTENTIAL, AND A JUNCTION TYPE TRANSISTOR HAVING BASE, COLLECTOR AND EMITTER ELECTRODES, CIRCUIT MEANS CONNECTING THE BATTERY TO THE REGULATOR THROUGH THE COLLECTOR-EMITTER ELECTRODES OF SAID TRANSISTOR, AND SECOND CIRCUIT MEANS CONNECTING THROUGH SAID SWITCH, SAID BATTERY TO THE BASE OF SAID TRANSISTOR TO BIAS SAID TRANSISTOR TO ITS LOW IMPEDANCE MODE, SAID SECOND CIRCUIT MEANS INCLUDING SAID SWITCH WHEREBY THERE IS ESSENTIALLY NO CURRENT FLOW THROUGH SAID OPERATING SWITCH WHEN SAID TRANSISTOR IS IN SAID LOW IMPEDANCE MODE.
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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |