US2746900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hypnotic agent and method of making the same
Assignee: Pfizer Inc
•
Filing: 1953-04-20
•
Granted: 1956-05-22
•
Expires: 1973-04-20
Abstract
No abstract record available.
Inventors
- 👤 Bavley Abraham
- 👤 William M Mclamore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:55
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/36; C07C29/38; C07C29/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A COMPOUND HAVING THE FOLLOWING STRUCTURE:
Claim 2
Dependent Claim
6 words
A COMPOUND HAVING THE FOLLOWING STRUCTURE:
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) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |