US2591679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aminoalkanoyl phenothiazine deriv
Assignee: —
•
Filing: —
•
Granted: 1952-04-08
•
Expires: 1969-04-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:11
CPC Classifications
C; C07; C07D; C07D417/00; C07D417/02; C07D417/12; C07D279/00; C07D279/10; C07D279/14; C07D279/18; C07D279/22; C07D279/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A MEMBER OF THE GROUP CONSISTING OF AMINOALKANOYLPHENOTHIAZINE DERIVATIVE AND SALTS THEREOF, SAID AMINOAKYANOYLPHENOTHIAZINE DERIVATIVE HAVING THE FORMUAL
Claim 2
Dependent Claim
18 words
A MEMBER OF THE GROUP CONSISTING OF AMINOALKANOYLPHENOTHIAZINE DERIVATIVE AND SALTS THEREOF, SAID AMINOAKYANOYLPHENOTHIAZINE DERIVATIVE HAVING THE FORMUAL
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) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |