US3259618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disazo and metallized disazo dyes containing a monochlorotriazine substituent
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1963-07-03
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Granted: 1966-07-05
•
Expires: 1983-07-03
Abstract
No abstract record available.
Inventors
- 👤 Andrew Herbert Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:46
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/02; C09B62/04; C09B62/08; C09B62/095
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
THE DISAZO COMPOUNDS REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
7 words
THE DISAZO COMPOUNDS REPRESENTED BY 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) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |