US2938003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semi-conductor
Assignee: General Electric Co
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Filing: 1955-11-25
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Granted: 1960-05-24
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Expires: 1975-11-25
Abstract
No abstract record available.
Inventors
- 👤 John E Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:24
CPC Classifications
H; H10; H10P; H10P95/00; H10F; H10F30/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
63 words
A PHOTOCONDUCTIVE SEMICONDUCTOR CONSISTING ESSENTIALLY OF CADMIUM SULPHIDE CONDENSED IN ITS HEXAGONAL CRYSTALLINE FORM FORM A VAPOR PRODUCED BY THE EVAPORATION OF THE CONSTITUENTS OF CADMIUM SULPHIDE AND A SALT OF AN ACTIVATING METAL OF THE CLASS CONSISTING OF INDIUM AND GALLIUM IN PROPORTIONS PRODUCING CADMIUM AND THE ACTIVATING METAL IN THE VAPOR IN THE RELATIVE PROPORTIONS OF 10,000 TO 1 BY WEIGHT.
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) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |