US3262923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monoazo stilbene dyestuffs containing a halopyrimibing radical
Assignee: —
•
Filing: —
•
Granted: 1966-07-26
•
Expires: 1983-07-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:55
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/02; C09B62/04; C09B62/043; C09B29/00; C09B29/06; C09B29/08; C09B29/0805; C09B29/0807; C09B29/0809; C09B29/0811; C09B57/00; C09B62/44; C09B62/503; C09B62/507; C09B62/513
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
AZO DYESTUFFS WHICH, IN THE FREE ACID FORM, ARE OF THE FORMULA:
Claim 2
Dependent Claim
12 words
AZO DYESTUFFS WHICH, IN THE FREE ACID FORM, ARE OF THE FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |