Patent US3246233A successfully refreshed from Google Patents.
US3246233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current regulator
Assignee: General Precision Inc
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Filing: 1962-05-11
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Granted: 1966-04-12
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Expires: 1982-05-11
Abstract
No abstract record available.
Inventors
- 👤 Harold L Herz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:01
CPC Classifications
G; G05; G05F; G05F3/00; G05F3/02; G05F3/08; G05F3/10; G05F3/16; G05F3/18
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
84 words
A CURRENT REGULATOR COMPRISING, A DIRECT CURRENT SOURCE, A LOAD HAVING ONE END CONNECTED THROUGH A RESISTOR OF ZERO TEMPERATURE COEFFICIENT TO A FIRST TERMINAL OF SAID SOURCE AND ITS OPPOSITE END CONNECTED THROUGH THE EMITTER-COLLECTOR CIRCUIT OF A FIRST TRANSISTOR TO A SECOND TERMINAL OF SAID SOURCE, A SECOND TRANSISTOR OF A TYPE OPPOSITE TO SAID FIRST TRANSISTOR HAVING ITS EMITTER-COLLECTOR CIRCUIT CONNECTED BETWEEN THE BASE OF SAID FIRST TRANSISTOR AND THE COMMON JUNCTION OF SAID LOAD AND SAID ZERO TEMPERATURE COEFFICIENT RESISTOR,
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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |