US3697408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Imaging system
Assignee: Xerox Corp
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Filing: 1969-05-02
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Granted: 1972-10-10
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Expires: 1989-05-02
Abstract
Abstract Method and apparatus for eliminating corona arcing during imaging of an electrophoretic imaging system having an elongated blocking electrode and an injecting electrode contacting each other during the imaging to form a contact zone and applying a field confined within the area of the contact zone.
Inventors
- 👤 Gerard T Severynse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:46
CPC Classifications
G; G03; G03G; G03G17/00; G03G17/04
Claims Analysis
Total Claims: 0
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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) | 1975-10-10 | 1976-04-10 | 1976-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-10 | 1980-04-10 | 1980-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-10 | 1984-04-10 | 1984-10-10 | $7700.00 | Window Closed / Lapsed |