US3704265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sintered inorganic photoconductive elements and their method of preparation
Assignee: Panasonic Holdings Corp
•
Filing: 1970-03-03
•
Granted: 1972-11-28
•
Expires: 1990-03-03
Abstract
Abstract PROCESS FOR PREPARING SINTERED PHOTOCONDUCTIVE ELEMENTS FROM MATERIAL WHICH CONTAINS II-VI GROUP COMPOUNDS AS A HOSE COMPONENT, IB GROUP ELEMENT AS AN ACTIVATOR AND VIIB OR IIIB GROUP ELEMENT AS A COACTIVATOR, WHICH MATERIAL IS SINTERED IN THE PRESENCE OF PREDETERMINED AMOUNTS OF VITREOUS ENAMEL AND SOLVENT FLUX. THE PROCESS PROVIDES PHOTOCONDUCTIVE ELEMENTS OF AN APPROPRIATE GEOMETRY AND THICKNESS AND WITH SATISFACTORY PHOTOSENSITIVITY AND STABLE PHOTOCONDUCTIVE PROPERTIES.
Inventors
- 👤 Shigeaki Nakamura
- 👤 Tadao Nakamura
- 👤 Tadao Kohashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:56
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/08; G03G5/085
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) | 1975-11-28 | 1976-05-29 | 1976-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-28 | 1980-05-29 | 1980-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-28 | 1984-05-29 | 1984-11-28 | $7700.00 | Window Closed / Lapsed |