US1994562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Neothiazolocarbocyanine dye and method of preparing it
Assignee: Eastman Kodak Co
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Filing: 1931-06-30
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Granted: 1935-03-19
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Expires: 1951-06-30
Abstract
No abstract record available.
Inventors
- 👤 Leslie G S Brooker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:09
CPC Classifications
C; C09; C09B; C09B23/00; C09B23/12; G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/10; G03C1/12; G03C1/14; G03C1/18
Claims Analysis
Total Claims: 0
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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) | 1938-03-18 | 1938-09-17 | 1939-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-03-18 | 1942-09-17 | 1943-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-03-18 | 1946-09-17 | 1947-03-19 | $7700.00 | Window Closed / Lapsed |