US3567818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pellets for supplying copper to ruminants
Assignee: University of Dundee
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Filing: 1966-12-12
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Granted: 1971-03-02
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Expires: 1986-12-12
Abstract
Abstract COPPER NECESSARY FOR THE NUTRITION OF RUMINANTS MAY BE SUPPLIED BY ADMINISTERING THERETO A PALLET OR BULLET COMPRISING AN ALLOY CONTAINING BETWEEN 40% AND 70% BY WEIGHT COPPER, FROM 0 TO 15% BY WEIGHT OF ALUMINIUM AND A TOTAL OF FROM 0 TO 5% BY WEIGHT OF ONE OR MORE OF A TRACE ELEMENT SELECTED FROM THE GROUP CONSISTING OF COBALT, ZINC AND MANGANESE, THE BALANCE BEING MAGNESIUM. IT HAS ALSO BEEN FOUND THAT THE RATE OF RELEASE OF COPPER FROM THE PELLET IN THE RUMINAL JUICES CAN BE CONTROLLED BY VARYING THE PROPORTION OF ALUMINIUM.
Inventors
- 👤 Reginald Gordon Hemingway
- 👤 Norman S Ritchie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:12
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0053; A61K9/0068; A23; A23K; A23K20/00; A23K20/20; A23K20/30; A23K40/00; A23K40/20
Claims Analysis
Total Claims: 0
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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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |