US3397989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic, gelatin-containing layers
Assignee: Agfa Gevaert AG
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Filing: 1966-03-02
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Granted: 1968-08-20
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Expires: 1986-03-02
Abstract
No abstract record available.
Inventors
- 👤 Keberle Wolfgang
- 👤 Himmelmann Wolfgang
- 👤 Dieterich Dieter
- 👤 Bayer Otto
- 👤 Nittel Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:10
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; C; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/0804; C08G18/0819; C08L; C08L75/00; C08L75/04; G03C1/005; G03C1/04
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) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |