US3076092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Xerographic charging apparatus
Assignee: Xerox Corp
•
Filing: 1960-07-21
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Granted: 1963-01-29
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Expires: 1980-07-21
Abstract
No abstract record available.
Inventors
- 👤 George R Mott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:32
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/02; G03G15/0291; Y; Y10; Y10S; Y10S430/00; Y10S430/001; Y10S430/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
APPARATUS FOR APPLYING A UNIPOLAR CHARGE ONTO A CHARGEABLE MEMBER, SAID APPARATUS INCLUDING AT LEAST TWO CORONA DISCHARGE ELECTRODES FOR APPLYING CHARGE TO A CHARGEABLE MEMBER WHICH MEMBER IS SUPPORTED IN CHARGING POSITION RELATIVE TO THE ELECTRODES, SAID ELECTRODES BEING ARRANGED SUBSTANTIALLY PARALLEL TO EACH OTHER AND BEING SUBSTANTIALLY UNIFORMLY SPACED FROM THE SURFACE OF A CHARGEABLE MEMBER SUPPORTED IN CHARGING POSITION, TERMINALS ON SAID ELECTRODES FOR CONNECTING ADJACENT ELECTRODES TO OPPOSITE TERMINALS OF A HIGH VOLTAGE A.C. POTENTIAL SOURCE, AND CHARGE CONTROL MEANS CONNECTED TO SAID A.C. POTENTIAL SOURCE, SAID CONTROL MEANS INCLUDING A SOURCE OF D.C. POTENTIAL OF DIFFERENT MAGNITUDE THAN THE POTENTIAL ON A CHARGEABLE MEMBER TO WHICH CHARGE IS TO BE APPLIED.
Claim 2
Dependent Claim
116 words
APPARATUS FOR APPLYING A UNIPOLAR CHARGE ONTO A CHARGEABLE MEMBER, SAID APPARATUS INCLUDING AT LEAST TWO CORONA DISCHARGE ELECTRODES FOR APPLYING CHARGE TO A CHARGEABLE MEMBER WHICH MEMBER IS SUPPORTED IN CHARGING POSITION RELATIVE TO THE ELECTRODES, SAID ELECTRODES BEING ARRANGED SUBSTANTIALLY PARALLEL TO EACH OTHER AND BEING SUBSTANTIALLY UNIFORMLY SPACED FROM THE SURFACE OF A CHARGEABLE MEMBER SUPPORTED IN CHARGING POSITION, TERMINALS ON SAID ELECTRODES FOR CONNECTING ADJACENT ELECTRODES TO OPPOSITE TERMINALS OF A HIGH VOLTAGE A.C. POTENTIAL SOURCE, AND CHARGE CONTROL MEANS CONNECTED TO SAID A.C. POTENTIAL SOURCE, SAID CONTROL MEANS INCLUDING A SOURCE OF D.C. POTENTIAL OF DIFFERENT MAGNITUDE THAN THE POTENTIAL ON A CHARGEABLE MEMBER TO WHICH CHARGE IS TO BE APPLIED.
References Cited (Backward Citations)
US2879395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |