US3140160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Xerographic fusing and drying apparatus
Assignee: Xerox Corp
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Filing: 1962-07-02
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Granted: 1964-07-07
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Expires: 1982-07-02
Abstract
No abstract record available.
Inventors
- 👤 Chester F Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:51
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/20; G03G15/2096
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IMAGE FIXING AND DRYING APPARATUS FOR FUSING XEROGRAPHIC POWDER IMAGES TO THE SURFACE OF A WEB OF SHEET MATERIAL BY MEANS OF SOLVENT VAPOR FOR A SOLUBLE COMPONENT OF THE POWDER COMPRISING SAID POWDER IMAGES, SAID APPARATUS INCLUDING A SUBSTANTIALLY ENCLOSED VAPOR CHAMBER HAVING A WALL CONTAINING AN INLET SLOT AND AN OUTLET SLOT TO PERMIT PASSAGE OF A WEB OF SHEET MATERIAL INTO AND OUT OF SAID CHAMBER. GUIDE MEANS DEFINING A PATH OF TRAVEL FOR SAID WEB OF SHEET MATERIAL WITHIN SAID VAPOR CHAMBER, SAID VAPOR CHAMBER INCLUDING A RESERVOIR OF LIQUID SOLVENT BELOT THE PATH OF TRAVEL OF THE WEB OF SHEET MATERIAL, FIRST HEATING MEANS POSITIONED TO VAPORIZE SAID LIQUID SOLVENT,
Claim 2
Dependent Claim
115 words
IMAGE FIXING AND DRYING APPARATUS FOR FUSING XEROGRAPHIC POWDER IMAGES TO THE SURFACE OF A WEB OF SHEET MATERIAL BY MEANS OF SOLVENT VAPOR FOR A SOLUBLE COMPONENT OF THE POWDER COMPRISING SAID POWDER IMAGES, SAID APPARATUS INCLUDING A SUBSTANTIALLY ENCLOSED VAPOR CHAMBER HAVING A WALL CONTAINING AN INLET SLOT AND AN OUTLET SLOT TO PERMIT PASSAGE OF A WEB OF SHEET MATERIAL INTO AND OUT OF SAID CHAMBER. GUIDE MEANS DEFINING A PATH OF TRAVEL FOR SAID WEB OF SHEET MATERIAL WITHIN SAID VAPOR CHAMBER, SAID VAPOR CHAMBER INCLUDING A RESERVOIR OF LIQUID SOLVENT BELOT THE PATH OF TRAVEL OF THE WEB OF SHEET MATERIAL, FIRST HEATING MEANS POSITIONED TO VAPORIZE SAID LIQUID SOLVENT,
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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |