US2879362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photosensitive device
Assignee: Rauland Borg Corp
•
Filing: 1956-11-14
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Granted: 1959-03-24
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Expires: 1976-11-14
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:47
CPC Classifications
H; H10; H10F; H10F71/00; H10F71/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
THE METHOD OF MANUFACTURING PHOTOSENSITIVE IMPEDANCE DEVICES COMPRISING THE FOLLOWING STEPS: COATING A SUBSTRATE WITH A METERIAL CONSISTING ESSENTIALLY OF CADMIUM SULFIDE; FIRING SAID COATED SUBSTRATE AT A TEMPERATURE ABOVE 650* C. FOR A TIME SUFFICIENT TO SINTER SAID MATERIAL TO SAID SUBSTRATE; COATING SAID SINTERED MATERIAL WITH A PHOTOCONDUCTOR CONSISTING ESSENTIALLY OF CADMIUM SELENIDE; FIRING SAID CADMIUM-SELENIDE-COATED MATERIAL AT A TEMPERATURE ABOVE 650* C. FOR A TIME SUFFICIENT TO SINTER SAID PHOTOCONDUCTOR TO SAID MATERIAL AND TO DEVELOP PHOTOCONDUCTIVE PROPERTIES IN SAID CADMIUM SELENIDE COATING;
Claim 2
Independent Claim
86 words
THE METHOD OF MANUFACTURING PHOTOSENSITIVE IMPEDANCE DEVICES COMPRISING THE FOLLOWING STEPS: COATING A SUBSTRATE WITH A METERIAL CONSISTING ESSENTIALLY OF CADMIUM SULFIDE; FIRING SAID COATED SUBSTRATE AT A TEMPERATURE ABOVE 650* C. FOR A TIME SUFFICIENT TO SINTER SAID MATERIAL TO SAID SUBSTRATE; COATING SAID SINTERED MATERIAL WITH A PHOTOCONDUCTOR CONSISTING ESSENTIALLY OF CADMIUM SELENIDE; FIRING SAID CADMIUM-SELENIDE-COATED MATERIAL AT A TEMPERATURE ABOVE 650* C. FOR A TIME SUFFICIENT TO SINTER SAID PHOTOCONDUCTOR TO SAID MATERIAL AND TO DEVELOP PHOTOCONDUCTIVE PROPERTIES IN SAID CADMIUM SELENIDE COATING;
References Cited (Backward Citations)
US2688564A
Cited
US2765385A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |