Patent US3507692A successfully refreshed from Google Patents.
US3507692A
Expired / Lapsed
US
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Sensitization of photoconductive material
Assignee: Agfa Gevaert NV
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Filing: 1967-04-05
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Granted: 1970-04-21
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Expires: 1987-04-05
Abstract
No abstract record available.
Inventors
- 👤 Theofiel Hubert Ghys
- 👤 Karel E Verhille
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:48
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0664; G03G5/0666; G03G5/0668; G03G5/067; G03G5/0622; G03G5/0624; G03G5/0635; G03G5/0637; G03G5/0672; G03G5/0674; G03G5/09
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) | 1973-04-20 | 1973-10-20 | 1974-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-20 | 1977-10-20 | 1978-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-20 | 1981-10-20 | 1982-04-21 | $7700.00 | Window Closed / Lapsed |