US3157797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switching circuit
Assignee: RCA Corp
•
Filing: 1962-08-01
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Granted: 1964-11-17
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Expires: 1982-08-01
Abstract
No abstract record available.
Inventors
- 👤 Charles R Eshelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 02:41
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/01; H03K5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A SWITCHING CIRCUIT COMPRISING: A FIRST TRANSISTOR OF ONE CONDUCTIVITY TYPE HAVING FIRST BASE, COLLECTOR AND EMITTER ELECTRODES; A SECOND TRANSISTOR OF THE OPPOSITE CONDUCTIVITY TYPE HAVING SECOND BASE, COLLECTOR AND EMITTER ELECTRODES; MEANS CONNECTING THE SECOND COLLECTOR AND EMITTER ELECTRODES TO THE FIRST SAID COLLECTOR AND EMITTER ELECTRODES RESPECTIVELY; INPUT MEANS FOR APPLYING SIGNAL PULSES BETWEEN SAID FIRST BASE AND EMITTER ELECTRODES, SAID PULSES HAVING AN AMPLITUDE AND POLARITY TO RENDER SAID FIRST TRANSISTOR CONDUCTIVE;
Claim 2
Dependent Claim
76 words
A SWITCHING CIRCUIT COMPRISING: A FIRST TRANSISTOR OF ONE CONDUCTIVITY TYPE HAVING FIRST BASE, COLLECTOR AND EMITTER ELECTRODES; A SECOND TRANSISTOR OF THE OPPOSITE CONDUCTIVITY TYPE HAVING SECOND BASE, COLLECTOR AND EMITTER ELECTRODES; MEANS CONNECTING THE SECOND COLLECTOR AND EMITTER ELECTRODES TO THE FIRST SAID COLLECTOR AND EMITTER ELECTRODES RESPECTIVELY; INPUT MEANS FOR APPLYING SIGNAL PULSES BETWEEN SAID FIRST BASE AND EMITTER ELECTRODES, SAID PULSES HAVING AN AMPLITUDE AND POLARITY TO RENDER SAID FIRST TRANSISTOR CONDUCTIVE;
References Cited (Backward Citations)
US2957091A
Cited
US2997606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |