Patent US2544630A successfully refreshed from Google Patents.
US2544630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Therapeutic compositions
Assignee: Sharp and Dohme Inc
•
Filing: 1948-11-16
•
Granted: 1951-03-06
•
Expires: 1968-11-16
Abstract
No abstract record available.
Inventors
- 👤 Hegarty Charles Paul
- 👤 Willard F Verwey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:50
CPC Classifications
C; C07; C07D; C07D499/00; A; A61; A61K; A61K31/00; A61K31/70; A61K31/7042; A61K31/7048; A61K2300/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A THERAPEUTIC COMPOSITION HAVING SYNERGISTIC ANTIBACTERIAL ACTION WHICH COMPRISES TYROTRICIN AND BACTRACIN, EACH ANTIBIOTIC BEING PRESENT IN A MINIMAL AMOUNT WHICH, IF USED ALONE, WOULD PRODUCE A BACTERIOSTATIC EFFECT.
Claim 2
Dependent Claim
29 words
A THERAPEUTIC COMPOSITION HAVING SYNERGISTIC ANTIBACTERIAL ACTION WHICH COMPRISES TYROTRICIN AND BACTRACIN, EACH ANTIBIOTIC BEING PRESENT IN A MINIMAL AMOUNT WHICH, IF USED ALONE, WOULD PRODUCE A BACTERIOSTATIC EFFECT.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |