US3125586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternary ammonium salts of z-amino-
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
•
Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:40
CPC Classifications
C; C09; C09B; C09B1/00; C09B1/50; C09B1/501; C09B1/16; C09B1/54; C09B1/545
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
ANTHRAQUINONE COMPOUNDS OF THE STRUCTURE
Claim 2
Dependent Claim
5 words
ANTHRAQUINONE COMPOUNDS OF THE STRUCTURE
Claim 3
Dependent Claim
7 words
THE ANTHRAQUINONE COMPOUNDS OF THE FOLLOWING STRUCTURE
Claim 4
Dependent Claim
7 words
THE ANTHRAQUINONE COMPOUNDS OF THE FOLLOWING STRUCTURE
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) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |