US3533785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoconductive compositions and elements
Assignee: Eastman Kodak Co
•
Filing: 1967-03-20
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Granted: 1970-10-13
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Expires: 1987-03-20
Abstract
No abstract record available.
Inventors
- 👤 Charles J Fox
- 👤 Arthur L Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:48
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/09; C; C08; C08F; C08F8/00; C08F8/48; G03G5/06; G03G5/0622; G03G5/0624; G03G5/0627; G03G5/0629; G03G5/0635; G03G5/0637; G03G5/0644; G03G5/0661; C08F2810/00; C08F2810/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |