US2286837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dye for color photography
Assignee: Eastman Kodak Co
•
Filing: 1940-05-07
•
Granted: 1942-06-16
•
Expires: 1960-05-07
Abstract
No abstract record available.
Inventors
- 👤 Merrill W Seymour
- 👤 Richard V Young
- 👤 Chechak Jonas John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:05
CPC Classifications
C; C09; C09B; C09B35/00; C09B35/02; C09B35/039; C09B35/205; C09B35/21; G; G03; G03C; G03C1/00; G03C1/76; G03C1/825; G03C1/83; G03C1/831; G03C7/00; G03C7/28; G03C7/29
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-06-15 | 1945-12-15 | 1946-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-06-15 | 1949-12-15 | 1950-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-06-15 | 1953-12-15 | 1954-06-16 | $7700.00 | Window Closed / Lapsed |