Patent US2585239A successfully refreshed from Google Patents.
US2585239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amine salt of penicillin
Assignee: Bristol Laboratories Inc
•
Filing: 1949-12-28
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Granted: 1952-02-12
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Expires: 1969-12-28
Abstract
No abstract record available.
Inventors
- 👤 Alphonse P Granatek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:53
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/74; C07D499/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A SALT OF PENICILLIN AND N-PYRIDYL-N-PCHLOROBENZYL-N''N''-DIMETHYLETHYLENEDIAMINE.
Claim 2
Dependent Claim
6 words
A SALT OF PENICILLIN AND N-PYRIDYL-N-PCHLOROBENZYL-N''N''-DIMETHYLETHYLENEDIAMINE.
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) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |