US PATENT SUBCLASS 254 / 102
.~ Telescoping screws

Current as of: June, 1999
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254 /   HD   IMPLEMENTS OR APPARATUS FOR APPLYING PUSHING OR PULLING FORCE

98  DF  SCREW {4}
102.~ Telescoping screws

DEFINITION

Classification: 254/102

Telescoping screws:

(under subclass 98) Screw pushing and pulling implement which comprise a plurality of screws arranged to telescope one within another.