US3153031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternized dyestuffs
Assignee: Compagnie Francaise des Matieres Colorantes SARL
•
Filing: 1960-12-20
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Granted: 1964-10-13
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Expires: 1980-12-20
Abstract
No abstract record available.
Inventors
- 👤 Alicot Marie-Josephe Jeanne
- 👤 Sureau Robert Frederic Michel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:37
CPC Classifications
C; C09; C09B; C09B53/00; C09B53/02; C09B27/00; C09B29/00; C09B29/0025; C09B44/00; C09B44/10; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/927
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2832764A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |