US2791759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductive device
Assignee: AT&T Inc
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Filing: 1955-02-18
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Granted: 1957-05-07
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Expires: 1975-02-18
Abstract
No abstract record available.
Inventors
- 👤 Walter L Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:23
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/45; G; G11; G11C; G11C11/00; G11C11/21; G11C11/22; G11C16/00; G11C16/02; G11C16/04; G11C16/0466; H01; H01G; H01G7/00; H01G7/02; H01G7/021; H01J; H01J35/00; H01J35/02; H01J35/04; H03K3/35; H10; H10D; H10D30/00; H10D30/60; H10D30/701; H10D64/00; H10D64/60; H10D64/66; H10D64/68; H10D64/689; H10D99/00; G11C11/223; Y; Y10; Y10S; Y10S438/00; Y10S438/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
IN COMBINATION A SEMICONDUCTIVE BODY HAVING A GROSS PORTION OF ONE CONDUCTIVITY TYPE AND A SURFACE PORTION OF OPPOSITE CONDUCTIVITY TYPE FORMING A RECTIFYING JUNCTION IN THE BODY, A FERROELECTRIC ELEMENT POSTIONED ADJACENT SAID SURFACE PORTION OF THE BODY ADN EXTENDING SUBSTANTIALLY PARALLEL TO SAID RECTIFYING JUNCTION, A PAIR OF ELELCTRODES, SEPARATE ELECTRODES OF SAID PAIR BEING COMNECTED TO THE CONDUCTIVE BODY ON OPPOSITE SIDES OF
Claim 2
Dependent Claim
66 words
IN COMBINATION A SEMICONDUCTIVE BODY HAVING A GROSS PORTION OF ONE CONDUCTIVITY TYPE AND A SURFACE PORTION OF OPPOSITE CONDUCTIVITY TYPE FORMING A RECTIFYING JUNCTION IN THE BODY, A FERROELECTRIC ELEMENT POSTIONED ADJACENT SAID SURFACE PORTION OF THE BODY ADN EXTENDING SUBSTANTIALLY PARALLEL TO SAID RECTIFYING JUNCTION, A PAIR OF ELELCTRODES, SEPARATE ELECTRODES OF SAID PAIR BEING COMNECTED TO THE CONDUCTIVE BODY ON OPPOSITE SIDES OF
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) | 1960-05-06 | 1960-11-05 | 1961-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-06 | 1964-11-05 | 1965-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-06 | 1968-11-05 | 1969-05-07 | $7700.00 | Window Closed / Lapsed |