US PATENT SUBCLASS 280 / 843
.~ Ball type roller skates

Current as of: June, 1999
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280 /   HD   LAND VEHICLES

841  DF  SKATES {7}
843.~ Ball type roller skates

DEFINITION

Classification: 280/843

Ball type roller skates:

(under subclass 841) Devices where the ground contacting running gear is in the form of spherical members.