US2555247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductive cell
Assignee: Vickers Inc
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Filing: 1949-07-28
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Granted: 1951-05-29
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Expires: 1969-07-28
Abstract
No abstract record available.
Inventors
- 👤 Saslaw Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:11
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/01; H10D48/04; H10D48/043; H10P; H10P14/00; H10P14/20; H10P14/26; H10P14/263; H10P14/34; H10P14/3402; H10P14/38; H10P14/3802
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A METHOD FOR MAKING A SELENIUM CELL HAVING A SEMI-CONDUCTING SELENIUM LAYER ON A CONDUCTIVE BASE, SAID METHOD INCLUDING THE STEPS OF SPRAYING A LAYER OF LOW MELT METAL ON THE SELENIUM LAYER TO FORM A COUNTERELECTRODE SPRAYING A LAYER OF LOW MELT METAL ON A CONDUCTIVE COVER PLATE, PRESSING TOGETHER THE BASE AND COVER PLATE TO INTIMATELY ENGAGE THE COUNTERELECTRODE WITH
Claim 2
Independent Claim
62 words
A METHOD FOR MAKING A SELENIUM CELL HAVING A SEMI-CONDUCTING SELENIUM LAYER ON A CONDUCTIVE BASE, SAID METHOD INCLUDING THE STEPS OF SPRAYING A LAYER OF LOW MELT METAL ON THE SELENIUM LAYER TO FORM A COUNTERELECTRODE SPRAYING A LAYER OF LOW MELT METAL ON A CONDUCTIVE COVER PLATE, PRESSING TOGETHER THE BASE AND COVER PLATE TO INTIMATELY ENGAGE THE COUNTERELECTRODE WITH
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |