US3135731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monoazo dyestuffs containing a monohalogenated triazine radical
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1962-03-05
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Granted: 1964-06-02
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Expires: 1982-03-05
Abstract
No abstract record available.
Inventors
- 👤 Tilley Colin George
- 👤 Waite Frederick Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:04
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/02; C09B62/04; C09B62/08; C09B62/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
THE MONOAZO DYESTUFFS OF THE FORMULA:
Claim 2
Dependent Claim
6 words
THE MONOAZO DYESTUFFS OF THE FORMULA:
References Cited (Backward Citations)
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US2795576A
Cited
US2892828A
Cited
US2891941A
Cited
US2979498A
Cited
US2951837A
Cited
US3040022A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |