Patent US3051839A successfully refreshed from Google Patents.
US3051839A
Expired / Lapsed
US
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Photoconductive element
Assignee: Clevite Corp
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Filing: 1959-07-20
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Granted: 1962-08-28
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Expires: 1979-07-20
Abstract
No abstract record available.
Inventors
- 👤 Allan E Carlson
- 👤 Jacob M Jost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:00
CPC Classifications
H; H10; H10F; H10F10/00; H10F10/10; H10F30/00; Y; Y02; Y02E; Y02E10/00; Y02E10/50; Y10; Y10S; Y10S148/00; Y10S148/064
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A PHOTOCONDUCTIVE CELL COMPRISING: A MONOCRYSTALLINE PLATE OF AT LEAST ONE SEMICONDUCTIVE MATERIAL SELECTED FROM THE GROUP CONSISTING OF CADMIUM SULFIDE AND CADMIUM SELENIDE, DOPED THROUGHOUT ITS BULK WITH A DONOR IMPURITY SELECTED FROM THE GROUP CONSISTING OF INDIUM, GALLIUM, CHLORINE AND IODINE, A THIN LAYER OF SAID PLATE ADJACENT ONE MAJOR SURFACE THEREOF BEING DOPED WITH AN ACCEPTOR IMPURITY SELECTED FROM THE GROUP CONSISTING OF COPPER, SILVER AND GOLD; AN ELECTRODE MAKING OHMIC CONTACT WITH A LARGE AREA OF SAID MAJOR SURFACE; AND A SECOND
Claim 2
Dependent Claim
86 words
A PHOTOCONDUCTIVE CELL COMPRISING: A MONOCRYSTALLINE PLATE OF AT LEAST ONE SEMICONDUCTIVE MATERIAL SELECTED FROM THE GROUP CONSISTING OF CADMIUM SULFIDE AND CADMIUM SELENIDE, DOPED THROUGHOUT ITS BULK WITH A DONOR IMPURITY SELECTED FROM THE GROUP CONSISTING OF INDIUM, GALLIUM, CHLORINE AND IODINE, A THIN LAYER OF SAID PLATE ADJACENT ONE MAJOR SURFACE THEREOF BEING DOPED WITH AN ACCEPTOR IMPURITY SELECTED FROM THE GROUP CONSISTING OF COPPER, SILVER AND GOLD; AN ELECTRODE MAKING OHMIC CONTACT WITH A LARGE AREA OF SAID MAJOR SURFACE; AND A SECOND
References Cited (Backward Citations)
US2277013A
Cited
US2706792A
Cited
US2706791A
Cited
US2745021A
Cited
US2879405A
Cited
US2805347A
Cited
US2853764A
Cited
US2861160A
Cited
US2879182A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |