US2965053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soil working and fertilizer and seed distributing apparatus
Assignee: VIKING Manufacturing CO
•
Filing: 1957-03-04
•
Granted: 1960-12-20
•
Expires: 1977-03-04
Abstract
No abstract record available.
Inventors
- 👤 Jerry R Gruber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:16
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/08; A01C7/085; A01B; A01B49/00; A01B49/04; Y; Y10; Y10S; Y10S111/00; Y10S111/901
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |