US3186979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reactive dyestuffs having a dithiocarbamyl-substituted triazine ring substituent
Assignee: Imperial Chemical Industries Ltd
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Filing: 1962-12-19
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Granted: 1965-06-01
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Expires: 1982-12-19
Abstract
No abstract record available.
Inventors
- 👤 Hall Frank
- 👤 Rattee Ian Durham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:44
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/02; C09B62/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
DYESTUFFS OF THE FORMULA:
Claim 2
Dependent Claim
4 words
DYESTUFFS OF THE FORMULA:
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) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |