US3268577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternary organic salts of omega-dialkylamino-2, 6-dimethylacetanilides
Assignee: Edinburgh Pharmaceutical Industries Ltd
•
Filing: 1963-02-07
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Granted: 1966-08-23
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Expires: 1983-02-07
Abstract
No abstract record available.
Inventors
- 👤 Hay Jessie Evelyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:07
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/04; C07D307/10; C07D307/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
A QUATERNARY ORGANIC CARBOXYLATE SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
10 words
A QUATERNARY ORGANIC CARBOXYLATE SELECTED FROM THE GROUP CONSISTING OF
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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |