US3384486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Merocyanine dyes for photographic elements containing an extracyclic tertiary amino group
Assignee: Eastman Kodak Co
•
Filing: 1964-05-04
•
Granted: 1968-05-21
•
Expires: 1984-05-04
Abstract
No abstract record available.
Inventors
- 👤 Robert C Taber
- 👤 Leslie G S Brooker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:25
CPC Classifications
C; C09; C09B; C09B23/00; C09B23/02; C09B23/06; C09B23/04; C09B23/08; C09B23/083; C09B23/10; C09B23/105; C09B23/107; G; G03; G03C; G03C7/00; G03C7/30; G03C7/392; G03C7/39208; G03C7/39292
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |