US3516833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic material containing a hydrophilic colloid and a sucrose ester
Assignee: Agfa Gevaert NV
•
Filing: 1964-01-09
•
Granted: 1970-06-23
•
Expires: 1984-01-09
Abstract
No abstract record available.
Inventors
- 👤 Walter Hagge
- 👤 Mathieu Quaedvlieg
- 👤 Rudolf Heusch
- 👤 Konrad Hebbel
- 👤 Richard Schiffmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:14
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/38
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2114490A
Cited
US3016334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |