US3393070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Xerographic plate with electric field regulating layer
Assignee: Xerox Corp
•
Filing: 1965-03-01
•
Granted: 1968-07-16
•
Expires: 1985-03-01
Abstract
No abstract record available.
Inventors
- 👤 Snelling Christopher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:00
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/28; G03G15/30; G03G5/00; G03G5/14; G03G5/142; G03G5/144
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB748340A
Cited
US2863768A
Cited
US3041166A
Cited
US3148057A
Cited
US3210194A
Cited
US3243293A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |