US PATENT SUBCLASS 285 / 260
BOTH MEMBERS PLIABLE AND NONMETAL

Current as of: June, 1999
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285 /   HD   PIPE JOINTS OR COUPLINGS

260BOTH MEMBERS PLIABLE AND NONMETAL

DEFINITION

Classification: 285/260

(under the class definition) Subject matter wherein each member is of flexible nonmetallic material, and the flexible characteristic is essential to the making of the joint (e.g., canvas tubing used in mine ventilation).