US3215861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binary inverter circuit employing field effect transistors
Assignee: RCA Corp
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Filing: 1962-11-28
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Granted: 1965-11-02
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Expires: 1982-11-28
Abstract
No abstract record available.
Inventors
- 👤 Michael E Sekely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:35
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/50; G06F7/501; H; H10; H10D; H10D84/00; H10D84/80; H10D84/811
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
105 words
IN COMBINATION, TWO TERMINALS FOR RECEIVING AN OPERATING VOLTAGE; FIRST AND SECOND FIELD-EFFECT TRANSISTORS FORMED OF A COMMON BODY OF SEMI-CONDUCTOR MATERIAL, SAID FIRST TRANSISTOR CONNECTED AT ITS DRAIN ELECTRODE TO ONE OF SAID TERMINALS AND AT ITS SOURCE ELECTRODE TO THE DRAIN ELECTRODE OF THE SECOND TRANSISTOR, AND THE SOURCE ELECTRODE OF THE SECOND TRANSISTOR BEING CONNECTED TO THE OTHER TERMINAL; MEANS FOR APPLYING A SIGNAL TO ONE OF THE TRANSISTORS FOR CHANGING ITS SOURCE-TO-DRAIN-ELECTRODE CONDUCTIVITY IN ONE SENSE; AND MEANS COUPLED TO SAID SOURCE-TO-DRAIN-ELECTRODE CONNECTION FOR APPLYING A SIGNAL TO THE OTHER TRANSISTOR FOR CHANGING THE LATTER''S SOURCE-TO-DRAIN-ELECTRODE CONDUCTIVITY IN THE OPPOSITE SENSE.
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |