US4466364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planter attachment
Assignee: Individual
•
Filing: 1982-05-14
•
Granted: 1984-08-21
•
Expires: 2002-05-14
Abstract
Abstract The invention relates to agricultural implements for planting. Increased efficiency of planting in general and incorporating fertilizer in particular in no-till situations is achieved by frame, disk and knife assemblies (14, 15, 16) mounting a disk (44) immediately ahead of a knife (68) and depth-controlled by a spring (63).
Inventors
- 👤 Dave Hassenfritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:26
CPC Classifications
A; A01; A01C; A01C5/00; A01C5/06; A01C5/062; Y; Y10; Y10S; Y10S111/00; Y10S111/924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
An attachment, for adapting a planter to minimum tillage and no-till situations, comprising: frame means joined to the planter; means for cutting trash and incorporating fertilizer mounted at the forward end of the planter by said frame means and including a disc, a knife disposed directly behind said disc, and a spring control means connected to said disc and knife; and strap means extends from said frame means, includes a strap pair, said disc being mounted in said strap pair, and further includes a third strap, said knife being mounted to, and said spring control means being received by, said third strap, and said third strap is joined to said strap pair, has a curved portion, a mounting portion joined to said curved portion, and an extended plate joined to said mounting portion, said knife being attached to said mounting portion, and said spring control means being attached to said plate.
Claim 2
Dependent Claim
151 words
An attachment, for adapting a planter to minimum tillage and no-till situations, comprising: frame means joined to the planter; means for cutting trash and incorporating fertilizer mounted at the forward end of the planter by said frame means and including a disc, a knife disposed directly behind said disc, and a spring control means connected to said disc and knife; and strap means extends from said frame means, includes a strap pair, said disc being mounted in said strap pair, and further includes a third strap, said knife being mounted to, and said spring control means being received by, said third strap, and said third strap is joined to said strap pair, has a curved portion, a mounting portion joined to said curved portion, and an extended plate joined to said mounting portion, said knife being attached to said mounting portion, and said spring control means being attached to said plate.
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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) | 1987-08-21 | 1988-02-20 | 1988-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-08-21 | 1992-02-20 | 1992-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-08-21 | 1996-02-20 | 1996-08-21 | $7700.00 | Window Closed / Lapsed |