US2562410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxy-penicillins
Assignee: Eli Lilly and Co
•
Filing: 1949-05-03
•
Granted: 1951-07-31
•
Expires: 1969-05-03
Abstract
No abstract record available.
Inventors
- 👤 Otto K Behrens
- 👤 Reuben G Jones
- 👤 Quentin F Soper
- 👤 Joseph W Corse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:34
CPC Classifications
C; C07; C07D; C07D499/00; Y; Y10; Y10S; Y10S435/00; Y10S435/803
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A COMPOUND OF THE GROUP CONSISTING OF A NEW PENICILLIN ACID AND ITS SODIUM, POTASSIUM, CALCIUM AND AMMONIUM SALTS, SAID ACID BEING REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
26 words
A COMPOUND OF THE GROUP CONSISTING OF A NEW PENICILLIN ACID AND ITS SODIUM, POTASSIUM, CALCIUM AND AMMONIUM SALTS, SAID ACID BEING REPRESENTED BY THE FORMULA
References Cited (Backward Citations)
US2479295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |