US PATENT SUBCLASS 49 / 420
.~.~ Ball or roller bearing

Current as of: June, 1999
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49 /   HD   MOVABLE OR REMOVABLE CLOSURES

404  DF  WITH MEANS MOUNTING CLOSURE FOR RECIPROCATION {16}
414  DF  .~ With distinct biasing means for slide or guide {7}
420.~.~ Ball or roller bearing

DEFINITION

Classification: 49/420

(under subclass 414) Device wherein the slide or guide surface makes contact with a cooperating surface, e.g., utilizes a ball or roller bearing.

SEE OR SEARCH THIS CLASS, SUBCLASS:

417+, for a ball or roller bearing with an adjustable biaser.

425+, for a reciprocating closure guided by a ball or roller bearing.