US3694201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for photoconductive powder
Assignee: Xerox Corp
•
Filing: 1971-01-06
•
Granted: 1972-09-26
•
Expires: 1991-01-06
Abstract
Abstract METHOD OF PREPARING COPPER-CHLORINE ACTIVATED CADMIUM SULFIDE, CADMIUM SELENIDE OR CADMIUM SULFOSELENIDE WITH A SMALL PERCENTAGE OF CADMIUM CHLORIDE OR ZINC CHLORIDE TO INHIBIT GRAIN GROWTH.
Inventors
- 👤 Arthur J Behringer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:59
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1975-09-26 | 1976-03-27 | 1976-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-26 | 1980-03-27 | 1980-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-26 | 1984-03-27 | 1984-09-26 | $7700.00 | Window Closed / Lapsed |