Patent US4913160A successfully refreshed from Google Patents.
US2806789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Enhancement of therapeutic efficacy of antibiotics
Assignee: Wyeth Holdings LLC
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Filing: 1954-09-10
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Granted: 1957-09-17
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Expires: 1974-09-10
Abstract
No abstract record available.
Inventors
- 👤 Kiser Jackson Sebree
- 👤 John A Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:26
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/65; A23; A23K; A23K20/00; A23K20/10; A23K20/195; Y; Y10; Y10S; Y10S424/00; Y10S424/06; Y10S426/00; Y10S426/807
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A FEEDSTUFF FOR ANIMALS UNDERGOING TETRACYCLINE GROUP AUTIBIOTIC TREATMENT COMPRISING LESS THAN 1% CALCIUM AND FROM 50 TO 800 GRAMS PER TON OF A TETRACYCLINE GROUP ANTIBIOTIC.
Claim 2
Dependent Claim
27 words
A FEEDSTUFF FOR ANIMALS UNDERGOING TETRACYCLINE GROUP AUTIBIOTIC TREATMENT COMPRISING LESS THAN 1% CALCIUM AND FROM 50 TO 800 GRAMS PER TON OF A TETRACYCLINE GROUP ANTIBIOTIC.
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) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |