US2833969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semi-conductor devices and methods of making same
Assignee: RCA Corp
•
Filing: 1953-12-01
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Granted: 1958-05-06
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Expires: 1973-12-01
Abstract
No abstract record available.
Inventors
- 👤 Schuyler M Christian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:43
CPC Classifications
H; H10; H10D; H10D62/00; H10D62/80; H10D62/83; H10D62/834; H10D62/60; H10P; H10P95/00; H10P95/50; Y; Y10; Y10S; Y10S252/00; Y10S252/95
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
IN A SEMI-CONDUCTOR DEVICE COMPRISING A SEMI-CONDUCTOR BODY OF A MATERIAL SELECTED FROM THE CLASS CONSISTING OF GERMANIUM AND SILICON AND ELECTRODES CONNECTED TO SAID BODY, THE IMPROVEMENT CONSISTING OF SAID BODY COMPRISING A REGION OF P-TYPE SEMI-CONDUCTIVE MATERIAL
Claim 2
Dependent Claim
39 words
IN A SEMI-CONDUCTOR DEVICE COMPRISING A SEMI-CONDUCTOR BODY OF A MATERIAL SELECTED FROM THE CLASS CONSISTING OF GERMANIUM AND SILICON AND ELECTRODES CONNECTED TO SAID BODY, THE IMPROVEMENT CONSISTING OF SAID BODY COMPRISING A REGION OF P-TYPE SEMI-CONDUCTIVE MATERIAL
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) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |