Patent US3527602A successfully refreshed from Google Patents.
US3527602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic photoconductors
Assignee: Eastman Kodak Co
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Filing: 1967-08-31
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Granted: 1970-09-08
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Expires: 1987-08-31
Abstract
No abstract record available.
Inventors
- 👤 Charles J Fox
- 👤 Arthur L Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:44
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0622; G03G5/0624; G03G5/0627; G03G5/0631; G03G5/0644; G03G5/0661
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) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |