US2853418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hypnotic composition comprising a barbiturate and beta, beta-methyl ethyl glutarimide
Assignee: Nicholas Pty Ltd
•
Filing: 1956-04-17
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Granted: 1958-09-23
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Expires: 1976-04-17
Abstract
No abstract record available.
Inventors
- 👤 Smith Robert Grenville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:13
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/495; A61K31/505; A61K31/513; A61K31/515
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A PHARMACEUTICAL PREPARATION COMPRISING A MEDICINAL BARBITURATE AND A PROPORTION OF B-B-METYL ETHYL GLUTARIMIDE WITHIN THE RANGE OF 5% TO 30% BY WEIGHT OF THE BARBITURATE.
Claim 2
Dependent Claim
26 words
A PHARMACEUTICAL PREPARATION COMPRISING A MEDICINAL BARBITURATE AND A PROPORTION OF B-B-METYL ETHYL GLUTARIMIDE WITHIN THE RANGE OF 5% TO 30% BY WEIGHT OF THE BARBITURATE.
References Cited (Backward Citations)
US2736682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |