US3769010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophotographic photosensitive member
Assignee: Canon Inc
•
Filing: 1971-06-15
•
Granted: 1973-10-30
•
Expires: 1991-06-15
Abstract
Abstract An electrophotographic photosensitive member is composed of a base, a photoconductor layer and an insulating layer laminated in this order, and additionally a rectifying layer is provided between the base and the photoconductor layer.
Inventors
- 👤 H Hanada
- 👤 N Kitajima
- 👤 T Masaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:41
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/14; G03G5/147; G03G5/02; G03G5/04; G03G5/043; G03G5/0433
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
24 words
An electrophotographic photosensitive member according to claim 1 wherein said rectifying layer means contains Te in an amount up to 6 percent by weight.
References Cited (Backward Citations)
US2776367A
Cited
US2803541A
Cited
US2844737A
Cited
US2953529A
Cited
US3041166A
Cited
US3355289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-29 | 1977-04-30 | 1977-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-29 | 1981-04-30 | 1981-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-29 | 1985-04-30 | 1985-10-30 | $7700.00 | Window Closed / Lapsed |