US3671290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Imaging system
Assignee: Xerox Corp
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Filing: 1970-08-21
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Granted: 1972-06-20
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Expires: 1990-08-21
Abstract
Abstract AN ELECTORSTATIC LATENT IMAGE BEARING SURFACE IS DEVELOPED WITH A LIQUID DEVELOPER, RINSED WITH A FIRST RINSING LIQUID HAVING A BOILING POINT BETWEEN ABOUT 150* C. TO ABOUT 350* C. AT ABOUT ATMOSPHERIC PRESSURE, SUBJECTED TO A STREAM OF GAS TO REMOVE MOST OF THE FIRST RINSING LIQUID AND THEREAFTER RINSED WITH A SECOND ORGANIC NON-POLAR RINSING LIQUID WHICH IS SOLUBLE IN AND MORE VOLATILE THAN THE FIRST RINSING LIQUID SO AS TO REMOVE DEVELOPER-CONTAMINATED FIRST RINSING LIQUID AND ANY REMAINING BACKGROUND TONER PARTICLES FROM SAID IMAGE BEARING SURFACE.
Inventors
- 👤 Seiji Matsumoto
- 👤 Yasuo Tamai
- 👤 Masamichi Sato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:15
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/10
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) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |