US3431111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyanine dyes
Assignee: Eastman Kodak Co
•
Filing: 1967-01-17
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Granted: 1969-03-04
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Expires: 1987-01-17
Abstract
No abstract record available.
Inventors
- 👤 Leslie G S Brooker
- 👤 Earl J Van Lare
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:50
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/02; C07D487/04; C07D209/00; C07D209/56; C07D209/58; C07D209/60; C07D241/00; C07D241/36; C07D241/38; C07D241/40; C07D241/44; C09; C09B; C09B23/00; C09B23/02; C09B23/06; C09B23/10; C09B23/14; C09B23/145; G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/10; G03C1/12; G03C1/14; G03C1/18; G03C1/485
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2954376A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |