Patent US2201404A successfully refreshed from Google Patents.
Patent US3299291A successfully refreshed from Google Patents.
US3299291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Logic elements using field-effect transistors in source follower configuration
Assignee: Motorola Solutions Inc
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Filing: 1964-02-18
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Granted: 1967-01-17
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Expires: 1984-02-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Raymond M Warner
- 👤 Csanky Geza
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:59
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/08; H03K19/094; H03K19/09403; H03K19/09407
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A LOGIC ELEMENT INCLUDING IN COMBINATION, FIRST, SECOND AND THIRD FIELD-EFFECT TRANSISTORS EACH HAVING DRAIN, SOURCE AND GATE ELECTRODES, MEANS CONNECTING THE DRAIN ELECTRODE OF SAID FIRST FIELD-EFFECT TRANSISTOR TO THE SOURCE ELECTRODE OF SAID SECOND FIELD-EFFECT TRANSISTOR, FIRST RESISTOR MEANS CONNECTING THE SOURCE ELECTRODE OF SAID FIRST FIELD-EFFECT TRANSISTOR TO A FIRST VOLTAGE SOURCE, MEANS CONNECTING THE DRAIN ELECTRODE OF SAID SECOND FIELD-EFFECT TRANSISTOR TO A SECOND VOLTAGE SOURCE, MEANS CONNECTING THE SOURCE ELECTRODE OF SAID SECOND FIELD-EFFECT TRANSISTOR TO ITS GATE ELECTRODE, MEANS CONNECTING THE DRAIN ELECTRODE OF SAID THIRD FIELD-EFFECT TRANSISTOR TO SAID SECOND VOLTAGE SOURCE, SECOND RESISTOR MEANS CONNECTING THE SOURCE ELECTRODE OF SAID THIRD FIELD-EFFECT TRANSISTOR TO THE GATE ELECTRODE OF SAID FIRST FIELD-EFFECT TRANSISTOR, THIRD RESISTOR MEANS CONNECTING THE GATE ELECTRODE OF SAID FIRST FIELD-EFFECT TRANSISTOR TO SAID FIRST VOLTAGE SOURCE, AT LEAST ONE INPUT TERMINAL CONNECTED TO THE GATE ELECTRODE OF SAID THIRD FIELD-EFFECT TRANSISTOR, AND AN OUTPUT TERMINAL CONNECTED TO THE DRAIN ELECTRODE OF SAID FIRST FIELD-EFFECT TRANSISTOR.
Claim 2
Dependent Claim
166 words
A LOGIC ELEMENT INCLUDING IN COMBINATION, FIRST, SECOND AND THIRD FIELD-EFFECT TRANSISTORS EACH HAVING DRAIN, SOURCE AND GATE ELECTRODES, MEANS CONNECTING THE DRAIN ELECTRODE OF SAID FIRST FIELD-EFFECT TRANSISTOR TO THE SOURCE ELECTRODE OF SAID SECOND FIELD-EFFECT TRANSISTOR, FIRST RESISTOR MEANS CONNECTING THE SOURCE ELECTRODE OF SAID FIRST FIELD-EFFECT TRANSISTOR TO A FIRST VOLTAGE SOURCE, MEANS CONNECTING THE DRAIN ELECTRODE OF SAID SECOND FIELD-EFFECT TRANSISTOR TO A SECOND VOLTAGE SOURCE, MEANS CONNECTING THE SOURCE ELECTRODE OF SAID SECOND FIELD-EFFECT TRANSISTOR TO ITS GATE ELECTRODE, MEANS CONNECTING THE DRAIN ELECTRODE OF SAID THIRD FIELD-EFFECT TRANSISTOR TO SAID SECOND VOLTAGE SOURCE, SECOND RESISTOR MEANS CONNECTING THE SOURCE ELECTRODE OF SAID THIRD FIELD-EFFECT TRANSISTOR TO THE GATE ELECTRODE OF SAID FIRST FIELD-EFFECT TRANSISTOR, THIRD RESISTOR MEANS CONNECTING THE GATE ELECTRODE OF SAID FIRST FIELD-EFFECT TRANSISTOR TO SAID FIRST VOLTAGE SOURCE, AT LEAST ONE INPUT TERMINAL CONNECTED TO THE GATE ELECTRODE OF SAID THIRD FIELD-EFFECT TRANSISTOR, AND AN OUTPUT TERMINAL CONNECTED TO THE DRAIN ELECTRODE OF SAID FIRST FIELD-EFFECT TRANSISTOR.
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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |