US2713836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for depth placement of seeds and fertilizer
Assignee: Avco Manufacturing Corp
•
Filing: 1951-04-11
•
Granted: 1955-07-26
•
Expires: 1971-04-11
Abstract
No abstract record available.
Inventors
- 👤 Fortunato S Ajero
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:37
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/06; A01C7/20; A01C7/201; A01C7/203; A01C5/00; A01C5/06; A01C5/062; Y; Y10; Y10S; Y10S111/00; Y10S111/926
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) | 1958-07-25 | 1959-01-24 | 1959-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-25 | 1963-01-24 | 1963-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-25 | 1967-01-24 | 1967-07-26 | $7700.00 | Window Closed / Lapsed |