US PATENT SUBCLASS 15 / 93.3
.~.~ Ditcher
Current as of:
June, 1999
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15 /
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BRUSHING, SCRUBBING, AND GENERAL CLEANING
3
DF
MACHINES
{11}
93.1
DF
.~ Scraping {3}
93.3
.~.~ Ditcher
DEFINITION
Classification: 15/93.3
Ditcher:
(under subclass 93.1) Subject matter comprising a wheeled vehicle with means for scraping the interior of an elongated channel beside the path of the vehicle.