US2903982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid fertilizer attachment for corn planter
Assignee: OSCAR FLOY
•
Filing: 1956-06-26
•
Granted: 1959-09-15
•
Expires: 1976-06-26
Abstract
No abstract record available.
Inventors
- 👤 Delbert W Floy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:41
CPC Classifications
A; A01; A01C; A01C23/00; A01C23/02; A01C23/023; A01C23/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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AU2303629A
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US2768591A
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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) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |