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Class 172/563 - Cleaners with common operator


Subclass of Class 172 - Earth working
Definition: Apparatus comprising a plurality of earth-removing means
No. of patents: 1
Last issue date: 06/07/1994


NumberTitleIssue Date
5318133Grain drill disk scraper assembly
A disk scraper assembly for a furrow opener including a pair of closely spaced disks rotatably mounted on a support in downwardly converging relation relative to each other. The scraper assembly includes a pair of scraper blades supported for lateral-slid... 		06/07/1994
 
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