US PATENT SUBCLASS 49 / 427
.~.~ On support edgewise of passage

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

404  DF  WITH MEANS MOUNTING CLOSURE FOR RECIPROCATION {16}
425  DF  .~ Revolving guide component; e.g., roller or gear {2}
427.~.~ On support edgewise of passage

DEFINITION

Classification: 49/427

(under subclass 425) Device wherein rolling means is carried by a structure edgewise of the side of the means defining a passage.