US PATENT SUBCLASS 362 / 389
.~ Antislipping
Current as of: June, 1999
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DEFINITION
Classification: 362/389
(under subclass 382) Subject matter having means to increase the frictional resistance to relative movement between the support and the reference structure without increasing the force between the two.
(1) Note. This device is generally a formation of spurs projecting from the bottom of the support to prevent displacement when placed on slippery surfaces.
