US2910653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Junction transistors and circuits therefor
Assignee: General Electric Co
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Filing: 1956-10-17
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Granted: 1959-10-27
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Expires: 1976-10-17
Abstract
No abstract record available.
Inventors
- 👤 Robert L Pritchard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:51
CPC Classifications
H; H10; H10D; H10D99/00; H03; H03B; H03B5/00; H03B5/08; H03B5/12; H03B5/1203; H03B5/1231
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A JUNCTION TRANSISTOR COMPRISING A BODY OF SEMICONDUCTIVE MATERIAL OF ONE CONDUCTIVITY TYPE HAVING OPPOSED SUBSTANTIALLY PARALLEL SURFACES, A FIRST RECTIFYING ELECTRODE CONTACTING ONE OF SAID SURFACES AND FORMING THEREIN A FIRST P-N JUNCTION, A SECOND RECTIFYING ELECTRODE CONTACTING ANOTHER OF SAID SURFACES AND FORMING THEREIN A SECOND P-N JUNCTION, A NON-RECTIFYING ELECTRODE CONTACTING A THIRD OF SAID SURFACES, THE DISTANCE BETWEEN SAID FIRST P-N JUNCTION AND SAID NON-RECTIFYING CONTACT BEING LESS THAN THE DISTANCE BETWEEN SAID FIRST P-N JUNCTION AND SAID SECOND P-N JUNCTION.
Claim 2
Dependent Claim
85 words
A JUNCTION TRANSISTOR COMPRISING A BODY OF SEMICONDUCTIVE MATERIAL OF ONE CONDUCTIVITY TYPE HAVING OPPOSED SUBSTANTIALLY PARALLEL SURFACES, A FIRST RECTIFYING ELECTRODE CONTACTING ONE OF SAID SURFACES AND FORMING THEREIN A FIRST P-N JUNCTION, A SECOND RECTIFYING ELECTRODE CONTACTING ANOTHER OF SAID SURFACES AND FORMING THEREIN A SECOND P-N JUNCTION, A NON-RECTIFYING ELECTRODE CONTACTING A THIRD OF SAID SURFACES, THE DISTANCE BETWEEN SAID FIRST P-N JUNCTION AND SAID NON-RECTIFYING CONTACT BEING LESS THAN THE DISTANCE BETWEEN SAID FIRST P-N JUNCTION AND SAID SECOND P-N JUNCTION.
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) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |