US3740249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solvent fixing process
Assignee: Fujifilm Holdings Corp
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Filing: 1971-10-01
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Granted: 1973-06-19
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Expires: 1991-10-01
Abstract
Abstract A PROCESS FOR FIXING TONER IMAGES WITH A SOLVENT WHICH COMPRISES CONTACTING A FILM OF A SOLVENT FORMED ON THE SURFACE OF A GROUNDED CONDUCTIVE ROLLER WITH THE FRONT SURFACE OF A SUPPORT HAVING THEREON TONER IMAGES WHILE APPLYING TO THE BACK SIDE OF THE SUPPORT A CORONA DISCHARGE OF A POLARITY TO THE CHARGE OF THE TONER IMAGES TO THEREBY FIX THE TONER IMAGES ON THE SUPPORT, SAID SOLVENT BEING CAPABLE OF FIXING SAID TONER IMAGE AND BEING A NON-CONDUCTIVE AND NON-POLAR LIQUID.
Inventors
- 👤 K Takiguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:05
CPC Classifications
G; G03; G03G; G03G11/00; G03G15/00; G03G15/20; G03G15/2096; Y; Y10; Y10S; Y10S430/00; Y10S430/138
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) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |