Patent US3190920A successfully refreshed from Google Patents.
US3190920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-ortho-lower alkyl-phenyl-1-phenyl-2 lower alkyl-3-diloweralkylamino-1-propanols
Assignee: Smith Kline & French Laboratories Ltd
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Filing: 1962-05-07
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Granted: 1965-06-22
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Expires: 1982-05-07
Abstract
No abstract record available.
Inventors
- 👤 Spickett Robert Geoffr William
- 👤 Ridley Horace Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:22
CPC Classifications
C; C07; C07D; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/14; C07D333/20; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/36; C07D213/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A CHEMICAL COMPOUND OF THE CLASS CONSISTING OF A FREE BASE AND SALTS WITH PHARMACEUTICALLY ACCEPTABLE ACIDS, THE FREE BASE HAVING THE FORMULA:
Claim 2
Dependent Claim
23 words
A CHEMICAL COMPOUND OF THE CLASS CONSISTING OF A FREE BASE AND SALTS WITH PHARMACEUTICALLY ACCEPTABLE ACIDS, THE 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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |