US2684785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Twin feed fertilizer spreader
Assignee: Individual
•
Filing: 1951-12-17
•
Granted: 1954-07-27
•
Expires: 1971-12-17
Abstract
No abstract record available.
Inventors
- 👤 Samuel E Waldorf
- 👤 Lloyd G Hoppes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:29
CPC Classifications
A; A01; A01C; A01C15/00; A01C15/18; A01C15/005; A01C15/006; A01C15/007; A01C7/00; A01C7/08; A01C7/16
Claims Analysis
Total Claims: 0
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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) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |