US3408194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silver halide emulsion layers containing yellow dye forming couplers
Assignee: Eastman Kodak Co
•
Filing: 1965-07-06
•
Granted: 1968-10-29
•
Expires: 1985-07-06
Abstract
No abstract record available.
Inventors
- 👤 Loria Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:17
CPC Classifications
C; C07; C07C; C07C255/00; G; G03; G03C; G03C7/00; G03C7/30; G03C7/305; G03C7/30511; G03C7/30517; G03C7/30535; G03C7/32; G03C7/333; G03C7/3335; G03C8/00; G03C8/02; G03C8/08; G03C8/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3227551A
Cited
US3227550A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |