Patent US3684792A successfully refreshed from Google Patents.
US3684792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New water-insoluble azo-compounds containing a carboxamido-carbostyril group
Assignee: Individual
•
Filing: 1969-09-03
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Granted: 1972-08-15
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Expires: 1989-09-03
Abstract
Abstract Water insoluble azo dyestuff pigments of the formula
Inventors
- 👤 Willy Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:07
CPC Classifications
C; C09; C09B; C09B43/00; C09B43/32; C09B29/00; C09B29/32; C09B29/33; C09B29/335; C09B29/338; C09B35/00; C09B35/02; C09B35/021; C09B35/033; C09B43/38
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
10 words
The compound as claimed in claim 1 of the formula
Claim 2
Dependent Claim
10 words
The compound as claimed in claim 1 of the formula
Claim 3
Dependent Claim
10 words
The compound as claimed in claim 1 of the formula
Claim 4
Dependent Claim
10 words
The compound as claimed in claim 1 of the formula
Claim 5
Dependent Claim
10 words
The compound as claimed in claim 1 of the formula
Claim 6
Dependent Claim
10 words
The compound as claimed in claim 1 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) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |