US2744970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor signal translating devices
Assignee: AT&T Inc
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Filing: 1951-08-24
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Granted: 1956-05-08
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Expires: 1971-08-24
Abstract
No abstract record available.
Inventors
- 👤 Shockley William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:33
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/04; H03F3/16; H03F3/165; H03F3/14; H10; H10D; H10D99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN COMBINATION, A SEMICONDUCTIVE BODY INCLUDING A FIRST ZONE OF ONE CONDUCTIVITY TYPE AND A SECOND ZONE OF OPPOSITE CONDUCTIVITY TYPE CONTIGUOUS WITH SAID FIRST ZONE AND FORMING A RECTIFYING JUNCTION THEREBETWEEN, SOURCE AND DRAIN CONNECTIONS TO SAID FIRST ZONE SPACED APART THEREALONG NEAR OPPOSITE ENDS OF SAID RECTIFYING JUNCTION, AND A GATE CONNECTION TO SAID SECOND ZONE; AN INPUT CIRCUIT CONNECTED BETWEEN THE SOURCE AND GATE CONNECTIONS INCLUDING AN INPUT SIGNAL SOURCE AND MEANS FOR BIASING SAID JUNCTION IN REVERSE TO A HIGH IMPEDANCE CONDITION
Claim 2
Dependent Claim
86 words
IN COMBINATION, A SEMICONDUCTIVE BODY INCLUDING A FIRST ZONE OF ONE CONDUCTIVITY TYPE AND A SECOND ZONE OF OPPOSITE CONDUCTIVITY TYPE CONTIGUOUS WITH SAID FIRST ZONE AND FORMING A RECTIFYING JUNCTION THEREBETWEEN, SOURCE AND DRAIN CONNECTIONS TO SAID FIRST ZONE SPACED APART THEREALONG NEAR OPPOSITE ENDS OF SAID RECTIFYING JUNCTION, AND A GATE CONNECTION TO SAID SECOND ZONE; AN INPUT CIRCUIT CONNECTED BETWEEN THE SOURCE AND GATE CONNECTIONS INCLUDING AN INPUT SIGNAL SOURCE AND MEANS FOR BIASING SAID JUNCTION IN REVERSE TO A HIGH IMPEDANCE CONDITION
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |