Patent US2684966A successfully refreshed from Google Patents.
US2684966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Triazole dyestuffs
Assignee: —
•
Filing: —
•
Granted: 1954-07-27
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Expires: 1971-07-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:07
CPC Classifications
C; C07; C07D; C07D249/00; C07D249/16; C07D249/18; C07D249/20; C07D403/00; C07D403/02; C07D403/10; C09; C09B; C09B62/00; C09B62/44; C09B62/503; C09B62/507; C09B62/513; D; D06; D06P; D06P1/00; D06P1/38; D06P1/44; D06P1/62; D06P3/00; D06P3/58; D06P3/60; D06P3/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A TRIAZOLE DYESTUFF HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
7 words
A TRIAZOLE DYESTUFF HAVING THE GENERAL 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) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |