Patent US1565596A successfully refreshed from Google Patents.
Patent US3463858A successfully refreshed from Google Patents.
US3463858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic zinc feed additive and method of making same
Assignee: DEAN R ANDERSON
•
Filing: 1965-05-06
•
Granted: 1969-08-26
•
Expires: 1985-05-06
Abstract
No abstract record available.
Inventors
- 👤 Dean R Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:58
CPC Classifications
A; A23; A23K; A23K50/00; A23K50/30; A23K20/00; A23K20/20; A23K20/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |