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Class 172/152 - At least four alternately diverse laterally spaced tools (A, B, A, B)


Subclass of Class 172 - Earth working
Definition: Apparatus comprising four or more earth working elements
No. of patents: 3
Last issue date: 07/13/2004


NumberTitleIssue Date
6761120Row cleaner in combination of primary tillage shank system
An agricultural primary tillage implement is disclosed with a row cleaner assembly attached in front of the shank. That row cleaner is adjustable fore-and-aft for optimum clearance between the shank and a leading soil preparation apparatus to maximize clearance for ...
07/13/2004
5474135Minimum tillage implement
A tillage implement for preparing seed beds for planting seeds for row crops. The implement includes deep tillage units for loosening soil behind the wheels of a tractor, additional deep tillage units for loosening soil in the areas where seed beds are lo...
12/12/1995
4086965Soil cultivating implements
A cultivator implement has two rows of freely rotatable, tined soil-working members connected to leading and rear transverse frame beams by respective brackets or plates. Each rotatable member is mounted for rotation on a corresponding stub shaft that def...
05/02/1978
 
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