US2651700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacturing process of cadmium sulfide, selenide, telluride photoconducting cells
Assignee: Individual
•
Filing: 1952-11-10
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Granted: 1953-09-08
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Expires: 1972-11-10
Abstract
No abstract record available.
Inventors
- 👤 Francois F Gans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:44
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/06; H01B1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A PROCESS FOR THE PRODUCTION OF PHOTOELECTRIC CELLS CONTAINING A PHOTOCONDUCTING MATERIAL SELECTED FROM THE CLASS CONSISTING OF CADMIUM SULFIDE, CADMIUM SELENIDE AND CADMIUM TELLURIDE COMPRISING MIXING SAID PHOTOCONDUCTING MATERIAL WITH ACTIVATORS THEREFOR, GRINDING THE MIXTURE TO OBTAIN A POWDER HAVING A PARTICLE DIAMETER
Claim 2
Dependent Claim
44 words
A PROCESS FOR THE PRODUCTION OF PHOTOELECTRIC CELLS CONTAINING A PHOTOCONDUCTING MATERIAL SELECTED FROM THE CLASS CONSISTING OF CADMIUM SULFIDE, CADMIUM SELENIDE AND CADMIUM TELLURIDE COMPRISING MIXING SAID PHOTOCONDUCTING MATERIAL WITH ACTIVATORS THEREFOR, GRINDING THE MIXTURE TO OBTAIN A POWDER HAVING A PARTICLE DIAMETER
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |