US2852429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antibiotic salts and preparation thereof
Assignee: Eli Lilly and Co
•
Filing: 1953-08-03
•
Granted: 1958-09-16
•
Expires: 1973-08-03
Abstract
No abstract record available.
Inventors
- 👤 John T Shepler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:34
CPC Classifications
C; C07; C07H; C07H17/00; C07H17/04; C07H17/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A MEMBER OF THE GROUP CONSISTING OF ERYTHROMYCIN D-GLUCONATE, ERYTHROMYCIN D-GLUCOHEPTONATE, CARBOMYCIN D-GLUCONATE, AND CARBOMYCIN D-GLUCOHEPTONATE.
Claim 2
Dependent Claim
16 words
A MEMBER OF THE GROUP CONSISTING OF ERYTHROMYCIN D-GLUCONATE, ERYTHROMYCIN D-GLUCOHEPTONATE, CARBOMYCIN D-GLUCONATE, AND CARBOMYCIN D-GLUCOHEPTONATE.
References Cited (Backward Citations)
US2211630A
Cited
US2481267A
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FR1015116A
Cited
US2560891A
Cited
US2516080A
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US2583534A
Cited
FR1031467A
Cited
US2673855A
Cited
US2653899A
Cited
US2761859A
Cited
US2785104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |