US3702289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoelectrophoretic process and apparatus
Assignee: Xerox Corp
•
Filing: 1970-10-28
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Granted: 1972-11-07
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Expires: 1990-10-28
Abstract
Abstract A PHOTOELECTROPHORETIC DEVICE INCLUDES AN IMAGING ROLLER AND TRANSFER ROLLER DESIGNED TO TRAVEL OVER A FILM SHEET HAVING A RUPTURABLE INK POD. A BLOCKING WEB IS LAID OVER THE FILM SHEET AND PICKED UP BY THE IMAGING ROLLER DURING ITS TRAVEL. A RECEIVER WEB IS LOOPED OVER A TRANSFER ROLLER AND THE LOOP IS ADVANCED ACROSS THE IMAGED FILM SHEET TO PICK UP AN IMAGE.
Inventors
- 👤 Raymond K Egnaczak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:19
CPC Classifications
G; G03; G03G; G03G17/00; G03G17/04
Claims Analysis
Total Claims: 0
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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) | 1975-11-07 | 1976-05-08 | 1976-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-07 | 1980-05-08 | 1980-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-07 | 1984-05-08 | 1984-11-07 | $7700.00 | Window Closed / Lapsed |