Patent US2837441A successfully refreshed from Google Patents.
US2837441A
Expired / Lapsed
US
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Xerographic wet belt loading
Assignee: Xerox Corp
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Filing: 1955-02-01
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Granted: 1958-06-03
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Expires: 1975-02-01
Abstract
No abstract record available.
Inventors
- 👤 Carl B Kaiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:53
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/08; G03G15/0803
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
THE METHOD OF CREATING A UNIFORM DISPERSION OF FINE DRY DEVLOPER POWDER PARTICLES IN GAS FOR IMAGE DEVELOPMENT IN XEROGRAPHY COMPRISING FORMING A LIQUID SUSPENSION OF XEOGRAPHIC DEVELOPER POWDER PARTICLES IN A VOLATILE NONSOLVENT LIQUID, IMMERSING A SUBSTANTIALLY UNIFORM TAPE OF POROUS MATERIAL INTO THE LIQUID SUSPENSION REMOVING THE TAPE OF MATERIAL FROM THE LIQUID SUSPENSION AND DRYING THE TAPE TO THEREBY FORM A TAPE IMPREGNATED WITH RELEASABLE DEVELOPER PARTICLES, AND THEN FEEDING THE IMPREGNATED TAPE AT A SUBSTANTIALLY UNIFORM LINEAR RATE THROUGH A SUBSTANTIALLY UNIFORM GAS STREAM PRODUCING A UNIFORMLY CONSTANT AND DENSE DISPERSION PARTICLES IN GAS.
Claim 2
Independent Claim
98 words
THE METHOD OF CREATING A UNIFORM DISPERSION OF FINE DRY DEVLOPER POWDER PARTICLES IN GAS FOR IMAGE DEVELOPMENT IN XEROGRAPHY COMPRISING FORMING A LIQUID SUSPENSION OF XEOGRAPHIC DEVELOPER POWDER PARTICLES IN A VOLATILE NONSOLVENT LIQUID, IMMERSING A SUBSTANTIALLY UNIFORM TAPE OF POROUS MATERIAL INTO THE LIQUID SUSPENSION REMOVING THE TAPE OF MATERIAL FROM THE LIQUID SUSPENSION AND DRYING THE TAPE TO THEREBY FORM A TAPE IMPREGNATED WITH RELEASABLE DEVELOPER PARTICLES, AND THEN FEEDING THE IMPREGNATED TAPE AT A SUBSTANTIALLY UNIFORM LINEAR RATE THROUGH A SUBSTANTIALLY UNIFORM GAS STREAM PRODUCING A UNIFORMLY CONSTANT AND DENSE DISPERSION PARTICLES IN GAS.
References Cited (Backward Citations)
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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) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |