Patent US3245381A successfully refreshed from Google Patents.
US3245381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Developing apparatus
Assignee: Agfa Gevaert NV
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Filing: 1963-03-26
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Granted: 1966-04-12
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Expires: 1983-03-26
Abstract
No abstract record available.
Inventors
- 👤 Brenneisen Udo
- 👤 Heyl Gerhard
- 👤 Marusczyk Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:13
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/10; G03G15/101; G03G15/102; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49544; Y10T29/49547; Y10T29/49549; Y10T29/49551
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A DEVELOPER STATION FOR DEVELOPING AN EXPOSED ELECTROPHOTOGRAPHIC MATERIAL CONSISTING OF A PHOTOCONDUCTIVE LAYER CARRYING A LATENT ELECTRICAL IMAGE COATED ON AN ELECTRICAL CONDUCTIVE SUPPORT BY MEANS OF THE WETTING DEVELOPMENT WHICH COMPRISES A DEVELOPING ROLLER OF CORROSIONRESISTANT MATERIAL WHICH IS WETTABLE BY THE DEVELOPER LIQUID FOR APPLYING THE LIQUID DEVELOPER TO THE SURFACE OF THE SAID PHOTOCONDUCTIVE LAYER, THE SAID DEVELOPING ROLLER IS ROTATABLY MOUNTED AND HAS A DIAMETER OF BETWEEN 20-150 MM. THE SURFACE OF THE SAID DEVELOPING ROLLER IS PROVIDED WITH MEANS FOR EFFECTING LINE CONTACT WITH SAID PHOTOGRAPHIC LAYER, SAID LINE CONTACT MEANS INCLUDING SUPERFICIAL GROOVES IN SAID SURFACE HAVING A DEPTH OF BETWEEN 0.01-1 MM. AND BEING ARRANGED PERPENDICULAR TO THE REVOLVING AXIS OF THE SAID DEVELOPING ROLLER, MEANS TO SUPPLY DEVELOPER LIQUID TO THE SAID DEVELOPING ROLLER, MEANS FOR DRIVING THE SAID DEVELOPING ROLLER AND GUIDING ELEMENTS FOR GUIDING THE PHOTOCONDUCTIVE LAYER ALONG SAID DEVELOPING ROLLER.
Claim 2
Dependent Claim
152 words
A DEVELOPER STATION FOR DEVELOPING AN EXPOSED ELECTROPHOTOGRAPHIC MATERIAL CONSISTING OF A PHOTOCONDUCTIVE LAYER CARRYING A LATENT ELECTRICAL IMAGE COATED ON AN ELECTRICAL CONDUCTIVE SUPPORT BY MEANS OF THE WETTING DEVELOPMENT WHICH COMPRISES A DEVELOPING ROLLER OF CORROSIONRESISTANT MATERIAL WHICH IS WETTABLE BY THE DEVELOPER LIQUID FOR APPLYING THE LIQUID DEVELOPER TO THE SURFACE OF THE SAID PHOTOCONDUCTIVE LAYER, THE SAID DEVELOPING ROLLER IS ROTATABLY MOUNTED AND HAS A DIAMETER OF BETWEEN 20-150 MM. THE SURFACE OF THE SAID DEVELOPING ROLLER IS PROVIDED WITH MEANS FOR EFFECTING LINE CONTACT WITH SAID PHOTOGRAPHIC LAYER, SAID LINE CONTACT MEANS INCLUDING SUPERFICIAL GROOVES IN SAID SURFACE HAVING A DEPTH OF BETWEEN 0.01-1 MM. AND BEING ARRANGED PERPENDICULAR TO THE REVOLVING AXIS OF THE SAID DEVELOPING ROLLER, MEANS TO SUPPLY DEVELOPER LIQUID TO THE SAID DEVELOPING ROLLER, MEANS FOR DRIVING THE SAID DEVELOPING ROLLER AND GUIDING ELEMENTS FOR GUIDING THE PHOTOCONDUCTIVE LAYER ALONG SAID DEVELOPING ROLLER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |