US3071070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for transferring images from xerographic to metallic plates
Assignee: Xerox Corp
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Filing: 1955-03-01
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Granted: 1963-01-01
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Expires: 1975-03-01
Abstract
No abstract record available.
Inventors
- 👤 Matthews Earnest Paul
- 👤 James J Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:38
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/14; G03G15/16; G03G15/1625
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
107 words
THE IMPROVEMENT IN THE PROCESS OF TRANSFERRING FUSIBLE POWDER IMAGES FROM A XEROGRAPHIC PLATE TO A CONDUCTIVE LITHOGRAPHIC PLATE COMPRISING THE STEPS OF FORMING ONE OF SAID PLATES IN AN ARC OF SUBSTANTIALLY UNIFORM RADIUS, CONTACTING THE CONVEX SURFACE OF THE CURVED PLATE IN A ROLLING MOTION AGAINST THE SURFACE OF THE OTHER PLATE WITH THE POWDER IMAGE THEREBETWEEN, THEREBY AFFECTING MOVING LINE CONTACT BETWEEN THE IMAGE BEARING SURFACE OF THE XEROGRAPHIC PLATE AND THE CONDUCTIVE LITHOGRAPHIC PLATE AND, SIMULTANEOUSLY WITH SUCH ROLLING MOTION, APPLYING AN ELECTRICAL POTENTIAL BETWEEN THE XEROGRAPHIC PLATE AND THE CONDUCTIVE LITHOGRAPHIC PLATE, AND FIXING THE IMAGE TRANSFERRED ONTO THE CONDUCTIVE LITHOGRAPHIC PLATE.
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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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |