US3133242A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized d. c. amplifier power supply
Assignee: Electronic Associates Inc
•
Filing: 1960-10-28
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Granted: 1964-05-12
•
Expires: 1980-10-28
Abstract
No abstract record available.
Inventors
- 👤 Harries Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:32
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/56; G05F1/577; G05F1/585
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A STABILIZED DIRECT CURRENT POWER SUPPLY INCLUDING A PAIR OF SERIALLY CONNECTED DIRECT CURRENT AMPLIFYING MEANS, A ZENER DIODE CONNECTED BETWEEN AN INPUT TERMINAL OF ONE OF SAID AMPLIFYING MEANS AND A POINT OF FIXED REFERENCE POTENTIAL, A REGENERATIVE FEEDBACK CIRCUIT CONNECTED FROM THE OUTPUT TERMINAL OF THE OTHER OF SAID AMPLIFYING MEANS TO THE IMPUT TERMINAL OF THE ONE SAID AMPLIFYING MEANS, MEANS FOR APPLYING TO SAID INPUT TER-
Claim 2
Dependent Claim
70 words
A STABILIZED DIRECT CURRENT POWER SUPPLY INCLUDING A PAIR OF SERIALLY CONNECTED DIRECT CURRENT AMPLIFYING MEANS, A ZENER DIODE CONNECTED BETWEEN AN INPUT TERMINAL OF ONE OF SAID AMPLIFYING MEANS AND A POINT OF FIXED REFERENCE POTENTIAL, A REGENERATIVE FEEDBACK CIRCUIT CONNECTED FROM THE OUTPUT TERMINAL OF THE OTHER OF SAID AMPLIFYING MEANS TO THE IMPUT TERMINAL OF THE ONE SAID AMPLIFYING MEANS, MEANS FOR APPLYING TO SAID INPUT TER-
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) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |