Patent US4246162A successfully refreshed from Google Patents.
US3083301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power supply
Assignee: Beckman Coulter Inc
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Filing: 1958-12-01
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Granted: 1963-03-26
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Expires: 1978-12-01
Abstract
No abstract record available.
Inventors
- 👤 George K Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:33
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A POWER SUPPLY COMPRISING A FIRST SOURCE OF D.-C. VOLTAGE, A VOLTAGE REGULATING MEANS CONNECTED TO RECEIVE SAID D.-C. VOLTAGE AND PROVIDE A REGULATED VOLTAGE, A SECOND SOURCE OF D.-C. VOLTAGE ADAPTED TO PROVIDE LOW VOLTAGE OUTPUT POWER, A SERIES REGULATING TRANSISTOR HAVING BASE, EMITTER AND COLLECTOR ELECTRODES CONNECTED WITH THE EMITTER AND COLLECTOR IN SERIES WITH THE OUTPUT FROM SAID SECOND SOURCE, A BRIDGE NETWORK CONNECTED TO RECEIVE SAID REGULATED VOLTAGE AND SERVING TO PROVIDE A PREDETERMINED FRACTION OF SAID REGULATED VOLTAGE ACROSS A CIRCUIT INCLUDING THE BASE OF THE SERIES REGULATING TRANSISTOR.
Claim 2
Dependent Claim
94 words
A POWER SUPPLY COMPRISING A FIRST SOURCE OF D.-C. VOLTAGE, A VOLTAGE REGULATING MEANS CONNECTED TO RECEIVE SAID D.-C. VOLTAGE AND PROVIDE A REGULATED VOLTAGE, A SECOND SOURCE OF D.-C. VOLTAGE ADAPTED TO PROVIDE LOW VOLTAGE OUTPUT POWER, A SERIES REGULATING TRANSISTOR HAVING BASE, EMITTER AND COLLECTOR ELECTRODES CONNECTED WITH THE EMITTER AND COLLECTOR IN SERIES WITH THE OUTPUT FROM SAID SECOND SOURCE, A BRIDGE NETWORK CONNECTED TO RECEIVE SAID REGULATED VOLTAGE AND SERVING TO PROVIDE A PREDETERMINED FRACTION OF SAID REGULATED VOLTAGE ACROSS A CIRCUIT INCLUDING THE BASE OF THE SERIES REGULATING TRANSISTOR.
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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |