US3577513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pellets for supplying biologically active substance to ruminants containing magnesium and coated iron particles
Assignee: Pfizer Inc
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Filing: 1967-12-20
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Granted: 1971-05-04
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Expires: 1987-12-20
Abstract
Abstract A PELLET FOR RUMINANTS CONTAINING MAGNESIUM OR MAGNESIUM ALLOY AND IRON PARTICLES, THE LATTER HAVING BEEN TREATED TO FORM AN OXIDE OR OTHER REFRACTORY COATING THEREON.
Inventors
- 👤 Peter Roebuck
- 👤 Derek James Whitehead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:52
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0053; A61K9/0068; A23; A23K; A23K20/00; A23K20/20; A23K20/24; A23K40/00; A23K40/20; A23K40/30; A23K40/35; A61K9/02
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) | 1974-05-03 | 1974-11-02 | 1975-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-03 | 1978-11-02 | 1979-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-03 | 1982-11-02 | 1983-05-04 | $7700.00 | Window Closed / Lapsed |