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US3401404A
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Merocyanine dye-sensitized photographic materials comprising silver halide emulsion layers containing azo-dyes
Assignee: Agfa Gevaert AG
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Filing: 1965-01-26
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Granted: 1968-09-10
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Expires: 1985-01-26
Abstract
No abstract record available.
Inventors
- 👤 Seidel Bernhard
- 👤 Riester Oskar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:04
CPC Classifications
C; C09; C09B; C09B23/00; C09B23/10; C09B23/105; C09B23/107; C09B35/00; C09B35/02; C09B35/021; C09B35/023; C09B35/039; C09B35/08; C09B35/10; C09B35/16; G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/10; G03C1/12; G03C1/22; G03C7/00; G03C7/28
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) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |