Patent US2542139A successfully refreshed from Google Patents.
US3267295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Logic circuits
Assignee: RCA Corp
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Filing: 1964-04-13
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Granted: 1966-08-16
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Expires: 1984-04-13
Abstract
No abstract record available.
Inventors
- 👤 Zuk Borys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:46
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/353; H03K3/356; G; G11; G11C; G11C11/00; G11C11/21; G11C11/34; G11C11/40; G11C11/41; G11C11/412; G11C19/00; G11C19/28; H03K3/356104
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN COMBINATION COMPRISING: FIRST AND SECOND OUTPUT TERMINALS; FIRST AND SECOND SEMICONDUCTOR AMPLIFYING DEVICES OF ONE CONDUCTIVITY TYPE AND A THIRD SEMICONDUCTOR AMPLIFYING DEVICE OF THE OPPOSITE CONDUCTIVITY TYPE , EACH OF THE DEVICES HAVING FIRST AND SECOND ELECTRODES DEFINING A CONDUCTION PATH, AND A CONTROL ELECTRODE FOR CONTROLLING THE CONDUCTIVITY OF THE PATH; MEANS CONNECTING THE SECOND ELECTRODE OF THE FIRST DEVICE TO THE FIRST ELECTRODE OF THE SECOND DEVICE; MEANS CONNECTING THE SECOND ELECTRODE OF THE SECOND DEVICE AND THE SECOND ELECTRODE OF THE THIRD DEVICE TO EACH OTHER AND TO THE FIRST OUTPUT TERMINAL; FOURTH AND FIFTH SEMICONDUCTOR AMPLIFYING DEVICES OF THE FIRST CONDUCTIVITY TYPE AND A SIXTH SEMICONDUCTOR AMPLIFYING DEVICE OF THE OPPOSITE CONDUCTIVITY TYPE; MEANS CONNECTING THE SECOND ELECTRODE OF THE FOURTH DEVICE TO THE FIRST ELECTRODE OF THE FIFTH DEVICE;
Claim 2
Dependent Claim
136 words
IN COMBINATION COMPRISING: FIRST AND SECOND OUTPUT TERMINALS; FIRST AND SECOND SEMICONDUCTOR AMPLIFYING DEVICES OF ONE CONDUCTIVITY TYPE AND A THIRD SEMICONDUCTOR AMPLIFYING DEVICE OF THE OPPOSITE CONDUCTIVITY TYPE , EACH OF THE DEVICES HAVING FIRST AND SECOND ELECTRODES DEFINING A CONDUCTION PATH, AND A CONTROL ELECTRODE FOR CONTROLLING THE CONDUCTIVITY OF THE PATH; MEANS CONNECTING THE SECOND ELECTRODE OF THE FIRST DEVICE TO THE FIRST ELECTRODE OF THE SECOND DEVICE; MEANS CONNECTING THE SECOND ELECTRODE OF THE SECOND DEVICE AND THE SECOND ELECTRODE OF THE THIRD DEVICE TO EACH OTHER AND TO THE FIRST OUTPUT TERMINAL; FOURTH AND FIFTH SEMICONDUCTOR AMPLIFYING DEVICES OF THE FIRST CONDUCTIVITY TYPE AND A SIXTH SEMICONDUCTOR AMPLIFYING DEVICE OF THE OPPOSITE CONDUCTIVITY TYPE; MEANS CONNECTING THE SECOND ELECTRODE OF THE FOURTH DEVICE TO THE FIRST ELECTRODE OF THE FIFTH DEVICE;
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |