Patent US2008688A successfully refreshed from Google Patents.
Patent US2903631A successfully refreshed from Google Patents.
US2903631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selenium cells
Assignee: General Electric Co
•
Filing: 1958-06-17
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Granted: 1959-09-08
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Expires: 1978-06-17
Abstract
No abstract record available.
Inventors
- 👤 Laurence F Perotte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:49
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/01; H10D48/04; H10D48/047; H10D48/043; H10D48/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A UNILATERALLY CONDUCTING CIRCUIT ELEMENT COMPRISING A CONDUCTING ELECTRODE HAVING A LAYER OF CRYSTALLINE SELENIUM THEREON, A COUNTERELECTRIC FOR MAKING ELECTRICAL CONTACT WITH SAID SELENIUM LAYER, AND A BLOCKING LAYER
Claim 2
Dependent Claim
30 words
A UNILATERALLY CONDUCTING CIRCUIT ELEMENT COMPRISING A CONDUCTING ELECTRODE HAVING A LAYER OF CRYSTALLINE SELENIUM THEREON, A COUNTERELECTRIC FOR MAKING ELECTRICAL CONTACT WITH SAID SELENIUM LAYER, AND A BLOCKING LAYER
References Cited (Backward Citations)
US1751361A
Cited
US2510361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |