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Class 172/728 - With additional blades attached to runner


Subclass of Class 172 - Earth working
Definition: Apparatus in which the runner or depth gauge has connected
No. of patents: 1
Last issue date: 12/01/1987


NumberTitleIssue Date
4709492Pushing apparatus, and methods of constructing and utilizing same
A device for back scraping snow, earth, or other like substances which generally includes a truck having a concave snowplow blade mounted on its front. The blade has shoes provided on its backside, wedge shaped hinged connections mounted on the shoes, and...
12/01/1987
 
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