US PATENT SUBCLASS 49 / 55
.~ Adjustable to various size opening

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

50  DF  WITH PROTECTIVE GRILLE OR SAFETY GUARD {6}
55.~ Adjustable to various size opening

DEFINITION

Classification: 49/55

(under subclass 50) Device provided with means to adjust the grille or guard to fit openings of different widths or heights.