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US3208992A
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US
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Acryloylamino benzene monoazo dyestuffs
Assignee: Imperial Chemical Industries Ltd
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Filing: 1962-12-21
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Granted: 1965-09-28
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Expires: 1982-12-21
Abstract
No abstract record available.
Inventors
- 👤 Bowman Francis
- 👤 Hickmott Peter William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:13
CPC Classifications
C; C09; C09B; C09B43/00; C09B43/12; C09B43/124; C09B43/128; C09B62/00; C09B62/44; C09B62/465; C09B62/47
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |