US3127331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reverse current electrolytic process
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
•
Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:09
CPC Classifications
G; G03; G03G; G03G13/00; G03G13/26; G03G13/28; C; C25; C25D; C25D13/00; G03G17/00; G03G17/02; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A PROCESS FOR REVERSING CURRENT FLOW THROUGH LIGHT STRUCK AREAS OF A PHOTOCONDUCTIVE LAYER WHICH COMPRISES ELECTROLYZING A CONDUCTIVE SOLUTION CONTAINING IONS OF A METAL CAPABLE OF BEING ELECTROLYTICALLY REDUCED TO THE FREE METAL STATE, THE CATHODE BEING AN ELECTRICALLY CONDUCTIVE SHEET CONTAINING SAID PHOTOCONDUCTIVE LAYER BONDED TO ONE ELECTRICALLY CONDUCTIVE CONTIGUOUS SURFACE THEREOF, THEREBY SELECTIVELY DEPOSITING FREE METAL ON THOSE LIGHT STRUCK PORTIONS OF THE PHOTOCONDUCTIVE LAYER AND DIFFERENTIALLY DESTROYING THE RECTIFICATION PROPERTIES OF THE LIGHT STRUCK PORTIONS OF THE PHOTOCONDUCTIVE LAYER, AND SUBSEQUENTLY CARRYING OUT ANOTHER ELECTROLYTIC REACTION WITH SAID ELECTRICALLY CONDUCTIVE SHEET AS ANODE.
Claim 2
Dependent Claim
97 words
A PROCESS FOR REVERSING CURRENT FLOW THROUGH LIGHT STRUCK AREAS OF A PHOTOCONDUCTIVE LAYER WHICH COMPRISES ELECTROLYZING A CONDUCTIVE SOLUTION CONTAINING IONS OF A METAL CAPABLE OF BEING ELECTROLYTICALLY REDUCED TO THE FREE METAL STATE, THE CATHODE BEING AN ELECTRICALLY CONDUCTIVE SHEET CONTAINING SAID PHOTOCONDUCTIVE LAYER BONDED TO ONE ELECTRICALLY CONDUCTIVE CONTIGUOUS SURFACE THEREOF, THEREBY SELECTIVELY DEPOSITING FREE METAL ON THOSE LIGHT STRUCK PORTIONS OF THE PHOTOCONDUCTIVE LAYER AND DIFFERENTIALLY DESTROYING THE RECTIFICATION PROPERTIES OF THE LIGHT STRUCK PORTIONS OF THE PHOTOCONDUCTIVE LAYER, AND SUBSEQUENTLY CARRYING OUT ANOTHER ELECTROLYTIC REACTION WITH SAID ELECTRICALLY CONDUCTIVE SHEET AS ANODE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |