US3468519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silage and feed grain mixing and conveying system
Assignee: GLENN R LORENZEN
•
Filing: 1967-10-12
•
Granted: 1969-09-23
•
Expires: 1987-10-12
Abstract
No abstract record available.
Inventors
- 👤 Glenn R Lorenzen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:48
CPC Classifications
A; A01; A01K; A01K5/00; A01K5/02; A01K5/0258; A23; A23N; A23N17/00; A23N17/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US455246A
Cited
US1544765A
Cited
US1413345A
Cited
US2025077A
Cited
US2305423A
Cited
US3131911A
Cited
US3182968A
Cited
US3254878A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |