Patent US2885321A successfully refreshed from Google Patents.
US2885321A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treating poultry respiratory infections with erythromycin
Assignee: Abbott Laboratories
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Filing: 1955-06-16
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Granted: 1959-05-05
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Expires: 1975-06-16
Abstract
No abstract record available.
Inventors
- 👤 Robert H Hollis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:15
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/70; A23; A23K; A23K20/00; A23K20/10; A23K20/195
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
THE PROCESS OF TREATING RESPIRATORY INFECTION IN POULTRY WHICH COMPRISES INTRODUCING INTO THE INTESTINAL TRACT OF THE BIRD SO INFECTED A POULTRY FEED CONTAINING A SMALL BUT EFFECTIVE NON-TOXIC AMOUNT OF AN ERYTHROMYCIN SALT, SAID SALT BEING PRESENT IN AN AMOUNT OF FROM 0.0025% AND 0.2% BY WEIGHT OF THE COMPOSITION.
Claim 2
Dependent Claim
51 words
THE PROCESS OF TREATING RESPIRATORY INFECTION IN POULTRY WHICH COMPRISES INTRODUCING INTO THE INTESTINAL TRACT OF THE BIRD SO INFECTED A POULTRY FEED CONTAINING A SMALL BUT EFFECTIVE NON-TOXIC AMOUNT OF AN ERYTHROMYCIN SALT, SAID SALT BEING PRESENT IN AN AMOUNT OF FROM 0.0025% AND 0.2% BY WEIGHT OF THE COMPOSITION.
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) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |