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Patent US3389132A successfully refreshed from Google Patents.
US3389132A
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Metalliferous azomethine containing azo dyestuffs containing an 8-aminoquinoline group
Assignee: American Aniline Products Inc
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Filing: 1964-06-22
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Granted: 1968-06-18
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Expires: 1984-06-22
Abstract
No abstract record available.
Inventors
- 👤 Dressler Hans
- 👤 Henry W Pons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:23
CPC Classifications
C; C09; C09B; C09B56/00; C09B56/02; C09B55/00; C09B55/002; C09B55/003; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/928
Claims Analysis
Total Claims: 0
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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) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |