Patent US3336503A successfully refreshed from Google Patents.
US3336503A
Expired / Lapsed
US
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D.c. circuit breaker with automatic reset
Assignee: Dickson Electronics Corp
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Filing: 1965-08-06
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Granted: 1967-08-15
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Expires: 1985-08-06
Abstract
No abstract record available.
Inventors
- 👤 Richard L White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:44
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/687; H03K17/6877; H02; H02H; H02H3/00; H02H3/02; H02H3/06; H03K17/28; H03K3/00; H03K3/02; H03K3/35; H03K3/352; H03K3/3525
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
AN AUTOMATIC RESETTING CIRCUIT BREAKER COMPRISING: A PAIR OF COMPLEMENTARY TRANSISTORS CONNECTED IN A FEEDBACK ARRANGEMENT WITH BASE ELECTRODES OF EACH CONNECTED TO COLLECTOR ELECTRODES OF THE OTHER; MEANS CONNECTING THE COLLECTOR ELECTRODE OF THE FIRST OF SAID TRANSISTORS TO A FIRST TERMINAL THROUGH A DIODE; MEANS CONNECTING THE EMITTER ELECTRODE OF THE SECOND OF SAID TRANSISTORS TO SAID FIRST TERMINAL; MEANS CONNECTING THE EMITTER ELECTRODE OF THE FIRST TRANSISTOR AND THE COLLECTOR ELECTRODE OF THE SECOND TRANSISTOR TO A SECOND TERMINAL; A CONTROLLABLE CURRENT-CONDUCTING ELEMENT, INCLUDING A CONTROL ELECTRODE, CONNECTED IN SERIES IN THE CURRENT PATH BETWEEN THE BASE ELECTRODE OF THE SECOND TRANSISTOR AND COLLECTOR ELECTRODE OF THE FIRST TRANSISTOR; A CHARGE ACCUMULATING ELEMENT CONNECTED BETWEEN SAID FIRST AND SECOND TERMINALS RESPONSIVE TO THE VOLTAGE THEREBETWEEN FOR STORING A CHARGE; AND MEANS CONNECTING SAID CHARGE ACCUMULATING ELEMENT TO THE CONTROL ELECTRODE OF SAID CONTROLLABLE CURRENT-CONDUCTING ELEMENT.
Claim 2
Dependent Claim
148 words
AN AUTOMATIC RESETTING CIRCUIT BREAKER COMPRISING: A PAIR OF COMPLEMENTARY TRANSISTORS CONNECTED IN A FEEDBACK ARRANGEMENT WITH BASE ELECTRODES OF EACH CONNECTED TO COLLECTOR ELECTRODES OF THE OTHER; MEANS CONNECTING THE COLLECTOR ELECTRODE OF THE FIRST OF SAID TRANSISTORS TO A FIRST TERMINAL THROUGH A DIODE; MEANS CONNECTING THE EMITTER ELECTRODE OF THE SECOND OF SAID TRANSISTORS TO SAID FIRST TERMINAL; MEANS CONNECTING THE EMITTER ELECTRODE OF THE FIRST TRANSISTOR AND THE COLLECTOR ELECTRODE OF THE SECOND TRANSISTOR TO A SECOND TERMINAL; A CONTROLLABLE CURRENT-CONDUCTING ELEMENT, INCLUDING A CONTROL ELECTRODE, CONNECTED IN SERIES IN THE CURRENT PATH BETWEEN THE BASE ELECTRODE OF THE SECOND TRANSISTOR AND COLLECTOR ELECTRODE OF THE FIRST TRANSISTOR; A CHARGE ACCUMULATING ELEMENT CONNECTED BETWEEN SAID FIRST AND SECOND TERMINALS RESPONSIVE TO THE VOLTAGE THEREBETWEEN FOR STORING A CHARGE; AND MEANS CONNECTING SAID CHARGE ACCUMULATING ELEMENT TO THE CONTROL ELECTRODE OF SAID CONTROLLABLE CURRENT-CONDUCTING ELEMENT.
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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |