US2619447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injectable penicillin preparations
Assignee: Wyeth Holdings LLC
•
Filing: 1949-03-11
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Granted: 1952-11-25
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Expires: 1969-03-11
Abstract
No abstract record available.
Inventors
- 👤 Wilbur G Malcolm
- 👤 John J Vance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:23
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/41; A61K31/425; A61K31/429; A61K31/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A THERAPEUTIC COMPOSITION COMPRISING A DRY MIXTURE OF A WATER-SOLUBLE PENICILLIN SALT AND PROCAINE PENICILLIN, SAID MIXTURE WHEN INCORPORATED IN AN AQUEOUS SOLVENT FOR SAID SALT FORMING A FLUID AQUEOUS SUSPENSION OF PROCAINE PENICILLIN ADAPTED FOR PARENTERAL ADMINISTRATION.
Claim 2
Dependent Claim
38 words
A THERAPEUTIC COMPOSITION COMPRISING A DRY MIXTURE OF A WATER-SOLUBLE PENICILLIN SALT AND PROCAINE PENICILLIN, SAID MIXTURE WHEN INCORPORATED IN AN AQUEOUS SOLVENT FOR SAID SALT FORMING A FLUID AQUEOUS SUSPENSION OF PROCAINE PENICILLIN ADAPTED FOR PARENTERAL ADMINISTRATION.
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) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |