US3140199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrating belt powder cloud generator for xerography
Assignee: Eastman Kodak Co
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Filing: 1961-04-28
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Granted: 1964-07-07
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Expires: 1981-04-28
Abstract
No abstract record available.
Inventors
- 👤 William C York
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:37
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/08; G03G15/0803
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
IN A XEROGRAPHIC DEVELOPING MACHINE, A TONER APPLICATOR COMPRISING MEANS FOR SUPPORTING AN ELECTROSTATICALLY CHARGED LAYER TO BE DEVELOPED, A FLAT BELT WITH A SECTION THEREOF IN AN AREA CLOSE TO AND PARALLEL TO SAID LAYER WHEN SO SUPPORTED; MEANS REMOTE FROM SAID AREA FOR TRIBOELECTRICALLY LOADING SAID BELT WITH TONER POWDER, MEANS FOR MOVING SAID BELT FOR CARRYING TRIBOELECTRICALLY HELD TONER POWDER TO SAID AREA CLOSE TO SAID LAYER AND MEANS POSITIONED ADJACENT TO SAID AREA AND ON THE OPPOSITE SIDE OF SAID BELT FROM SAID LAYER FOR VIBRATING SAID SECTION OF SAID BELT IN SAID AREA.
Claim 2
Dependent Claim
98 words
IN A XEROGRAPHIC DEVELOPING MACHINE, A TONER APPLICATOR COMPRISING MEANS FOR SUPPORTING AN ELECTROSTATICALLY CHARGED LAYER TO BE DEVELOPED, A FLAT BELT WITH A SECTION THEREOF IN AN AREA CLOSE TO AND PARALLEL TO SAID LAYER WHEN SO SUPPORTED; MEANS REMOTE FROM SAID AREA FOR TRIBOELECTRICALLY LOADING SAID BELT WITH TONER POWDER, MEANS FOR MOVING SAID BELT FOR CARRYING TRIBOELECTRICALLY HELD TONER POWDER TO SAID AREA CLOSE TO SAID LAYER AND MEANS POSITIONED ADJACENT TO SAID AREA AND ON THE OPPOSITE SIDE OF SAID BELT FROM SAID LAYER FOR VIBRATING SAID SECTION OF SAID BELT IN SAID AREA.
References Cited (Backward Citations)
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US2748746A
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US2901374A
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Cited
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Cited
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 |