US3409435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silver halide gelatin coating compositions containing a viscosity reducing agent
Assignee: Agfa Gevaert NV
•
Filing: 1964-08-05
•
Granted: 1968-11-05
•
Expires: 1984-08-05
Abstract
No abstract record available.
Inventors
- 👤 Seidel Bernhard
- 👤 Ulrich Hans
- 👤 Himmelmann Wolfgang
- 👤 Nentwig Joachim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:34
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/388; G03C7/3882; G03C1/00; G03C1/005; G03C1/04; G03C1/043
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |