US PATENT SUBCLASS 172 / 438
Current as of: June, 1999
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(under the class definition) Apparatus combined with a device outside of the class definition and not provided for in other subclasses of this class.
(1) Note. In this subclass, for example, are combinations with a gun, a shade for a draft animal, a vehicle brake, a basket of general utility and a loading device of general utility.
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403+, for a scraper combined with a scoop, shovel, or other material pick up means.