Patent US3480439A successfully refreshed from Google Patents.
US3480439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-sensitive materials optically sensitized with chloropropylsulfonic acid substituted merocyanines
Assignee: Agfa Gevaert AG
•
Filing: 1969-11-24
•
Granted: 1969-11-25
•
Expires: 1989-11-24
Abstract
No abstract record available.
Inventors
- 👤 Helmut Kampfer
- 👤 Johannes Gotze
- 👤 Oskar Riester
- 👤 Erich Bockly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:07
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/10; G03C1/12; G03C1/22; C; C09; C09B; C09B23/00; C09B23/10; C09B23/105; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0664; G03G5/0666; G03G5/0668; G03G5/067; G03G5/0672; G03G5/0674
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3288610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |