Patent US3523797A successfully refreshed from Google Patents.
US3523797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Development of light-sensitive silver halide emulsions
Assignee: Agfa Gevaert NV
•
Filing: 1966-10-06
•
Granted: 1970-08-11
•
Expires: 1986-10-06
Abstract
No abstract record available.
Inventors
- 👤 Jozef Frans Willems
- 👤 Francis Jeanne Sels
- 👤 Robrecht Julius Thiers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:04
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/02; C08G73/024; C08G59/00; C08G59/18; C08G59/40; C08G59/62; C08G59/64; G; G03; G03C; 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)
US3307948A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |