Patent US3249952A successfully refreshed from Google Patents.
Patent US2810052A successfully refreshed from Google Patents.
US2810052A
Expired / Lapsed
US
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Electrical devices, including cadmium sulphide and cadmium selenide containing trivalent cations
Assignee: RCA Corp
•
Filing: 1953-08-28
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Granted: 1957-10-15
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Expires: 1973-08-28
Abstract
No abstract record available.
Inventors
- 👤 Richard H Bube
- 👤 Charles J Busanovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:05
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/06; H01B1/10; H10; H10P; H10P95/00; Y; Y10; Y10S; Y10S252/00; Y10S252/95; Y10S252/951
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A PROCESS OF INCREASING THE ELECTRICAL CONDUCTIVITY OF CRYSTALS OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF CADMIUM SULPHIDE AND CADMIUM SELENIDE WHICH COMPRISES EVAPORATING A METAL SELECTED FROM THE GROUP CONSISTING OF 20-500 PARTS ALUMINUM, 1-500 PARTS GALLIUM, AND 1-500 PARTS INDIUM PER MILLION PARTS OF SAID
Claim 2
Dependent Claim
49 words
A PROCESS OF INCREASING THE ELECTRICAL CONDUCTIVITY OF CRYSTALS OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF CADMIUM SULPHIDE AND CADMIUM SELENIDE WHICH COMPRISES EVAPORATING A METAL SELECTED FROM THE GROUP CONSISTING OF 20-500 PARTS ALUMINUM, 1-500 PARTS GALLIUM, AND 1-500 PARTS INDIUM PER MILLION PARTS OF SAID
References Cited (Backward Citations)
US2662060A
Cited
US2659678A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |