US2794943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selenium rectifier
Assignee: Sarkes Tarzian Inc
•
Filing: 1955-04-05
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Granted: 1957-06-04
•
Expires: 1975-04-05
Abstract
No abstract record available.
Inventors
- 👤 Eannarino George
- 👤 Parsons Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:36
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/01; H10D48/04; H10D48/043; H10D48/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A UNILATERAL CONDUCTOR COMPRISING A BASE PLATE, A LAYER OF SELENIUM ON SAID BASE PLATE, A BARRIER LAYER ON SAID SELENIUM LAYER FORMED BY COATING THE SELECIUM LAYER WITH A DILUTE SOLUTION CONTAINING A CARBOHYDRATE AND AN ORGANIC AMINE IN AN AQUEOUS VOLATILE SOLVENT AT A PH IN THE RANGE OF 6.5 TO 7.5, AND A COUNTERELECTRODE ON SAID BARRIER LAYER.
Claim 2
Dependent Claim
61 words
A UNILATERAL CONDUCTOR COMPRISING A BASE PLATE, A LAYER OF SELENIUM ON SAID BASE PLATE, A BARRIER LAYER ON SAID SELENIUM LAYER FORMED BY COATING THE SELECIUM LAYER WITH A DILUTE SOLUTION CONTAINING A CARBOHYDRATE AND AN ORGANIC AMINE IN AN AQUEOUS VOLATILE SOLVENT AT A PH IN THE RANGE OF 6.5 TO 7.5, AND A COUNTERELECTRODE ON SAID BARRIER LAYER.
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) | 1960-06-03 | 1960-12-03 | 1961-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-03 | 1964-12-03 | 1965-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-03 | 1968-12-03 | 1969-06-04 | $7700.00 | Window Closed / Lapsed |