US3508918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Xerographic plate containing aluminum selenide barrier layer
Assignee: Xerox Corp
•
Filing: 1966-06-21
•
Granted: 1970-04-28
•
Expires: 1986-06-21
Abstract
No abstract record available.
Inventors
- 👤 Mortimer Levy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:28
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/043; G03G5/0433; G03G5/08; G03G5/082; G03G5/08207; G03G5/14; G03G5/142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3243293A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-27 | 1973-10-27 | 1974-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-27 | 1977-10-27 | 1978-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-27 | 1981-10-27 | 1982-04-28 | $7700.00 | Window Closed / Lapsed |