US2945030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted aralkyl phenothiazinylalkyl piperazines
Assignee: Smith Kline & French Laboratories Ltd
•
Filing: 1958-07-24
•
Granted: 1960-07-12
•
Expires: 1978-07-24
Abstract
No abstract record available.
Inventors
- 👤 Gordon Maxwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:32
CPC Classifications
C; C07; C07D; C07D279/00; C07D279/10; C07D279/14; C07D279/18; C07D279/22; C07D279/24; F; F16; F16K; F16K17/00; F16K17/20; F16K17/22; F16K17/24; F16K17/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A CHEMICAL COMPOUND OF THE CLASS CONSISTING OF A FREE BASE AND ITS NONTOXIC ACID ADDITION SALTS, SAID FREE BASE HAVING THE FORMULA
Claim 2
Dependent Claim
23 words
A CHEMICAL COMPOUND OF THE CLASS CONSISTING OF A FREE BASE AND ITS NONTOXIC ACID ADDITION SALTS, SAID FREE BASE HAVING 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) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |