US2572079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation-sensitive cells and method of making same
Assignee: STC PLC
•
Filing: 1947-03-13
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Granted: 1951-10-23
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Expires: 1967-03-13
Abstract
No abstract record available.
Inventors
- 👤 Hippel Arthur Von
- 👤 Mortimer C Bloom
- 👤 James H Schulman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:30
CPC Classifications
H; H01; H01M; H01M14/00; H01M14/005; H01G; H01G9/00; H01G9/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
IN A RADIATION SENSITIVE DEVICE OF THE WET CELL TYPE, AN ELECTRODE HAVING A BLACK VELT-LIKE RADIATION SENSITIVE COATING THAT COMPRISES MICROSCOPIC ELECTRODEPOSITED SELENIUM CRYSTALLITES, SAID COATING HAVING BEEN ACTIVATED BY TREATMENT WITH ELECTROLYTICALLY GENERATED NASCENT HYDROGEN.
Claim 2
Dependent Claim
37 words
IN A RADIATION SENSITIVE DEVICE OF THE WET CELL TYPE, AN ELECTRODE HAVING A BLACK VELT-LIKE RADIATION SENSITIVE COATING THAT COMPRISES MICROSCOPIC ELECTRODEPOSITED SELENIUM CRYSTALLITES, SAID COATING HAVING BEEN ACTIVATED BY TREATMENT WITH ELECTROLYTICALLY GENERATED NASCENT HYDROGEN.
References Cited (Backward Citations)
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Cited
US1941493A
Cited
US2391706A
Cited
US2392003A
Cited
US2414438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-22 | 1955-04-23 | 1955-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-22 | 1959-04-23 | 1959-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-22 | 1963-04-23 | 1963-10-23 | $7700.00 | Window Closed / Lapsed |