US2951015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous readily injectable therapeutic compositions containing water-insoluble penicillin and sucrose dilaurate
Assignee: Pfizer Inc
•
Filing: 1957-07-02
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Granted: 1960-08-30
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Expires: 1977-07-02
Abstract
No abstract record available.
Inventors
- 👤 Melvin L Berger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:49
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0019; A61K31/00; A61K31/33; A61K31/395; A61K31/41; A61K31/425; A61K31/429; A61K31/43; A61K47/00; A61K47/06; A61K47/26; Y; Y10; Y10S; Y10S424/00; Y10S424/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A READILY INJECTABLE THERAPEUTIC COMPOSITION COMPRISING AN AQUEOUS SUSPENSION OF A SUBSTANTIALLY WATERINSOLUBLE PENCILLIN AND A SMAL PROPORTION OF SURCOSE DILURATE.
Claim 2
Dependent Claim
21 words
A READILY INJECTABLE THERAPEUTIC COMPOSITION COMPRISING AN AQUEOUS SUSPENSION OF A SUBSTANTIALLY WATERINSOLUBLE PENCILLIN AND A SMAL PROPORTION OF SURCOSE DILURATE.
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) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |