US2738347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Penicillin salt of benzhydryl-phenethylamine
Assignee: Olin Corp
•
Filing: 1954-12-13
•
Granted: 1956-03-13
•
Expires: 1974-12-13
Abstract
No abstract record available.
Inventors
- 👤 Bernstein Jack
- 👤 Kathryn A Losee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:16
CPC Classifications
C; C07; C07D; C07D499/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A SALT OF PENICILLIN AN N-BENZHYDRYL-PHENETHYLAMINE.
Claim 2
Dependent Claim
6 words
A SALT OF PENICILLIN AN N-BENZHYDRYL-PHENETHYLAMINE.
References Cited (Backward Citations)
US2585432A
Cited
FR1065593A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-13 | 1959-09-12 | 1960-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-13 | 1963-09-12 | 1964-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-13 | 1967-09-12 | 1968-03-13 | $7700.00 | Window Closed / Lapsed |