US3145655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Equipotential xeroprinting member and process of printing therewith
Assignee: Xerox Corp
•
Filing: 1959-06-23
•
Granted: 1964-08-25
•
Expires: 1979-06-23
Abstract
No abstract record available.
Inventors
- 👤 William D Hope
- 👤 Snelling Christopher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:14
CPC Classifications
G; G03; G03G; G03G13/00; G03G13/26; G03G13/22; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
56 words
A PROCESS OF XEROPRINTING COMPRISING UNIFORMLY CHARGING THE SURFACE OF A XEROPRINTING MASTER, VARYING THE SURFACE ELECTROSTATIC ENERGY DISTRIBUTION IN IMAGE CONFIGURATION WHILE MAINTAINING SAID UNIFORM POTENTIAL THEREAFTER CONTACTING SAID SURFACE WITH ELECTROSTATICALLY ATTRACTABLE MARKING PARTICLES TO FORM A VISIBLE IMAGE CORRESPONDING TO SAID ENERGY DISTRIBUTION AND TRANSFERRING SAID MARKING PARTICLES TO AN IMAGE SUPPORT MEMBER
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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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |