US PATENT SUBCLASS 248 / 456
.~.~.~ Notch or cavity engaging

Current as of: June, 1999
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248 /   HD   SUPPORTS

441.1  DF  EASEL; BOOK, COPY OR MUSIC SCORE HOLDER {17}
454  DF  .~ With adjustable inclination {2}
455  DF  .~.~ Prop maintains surface in adjusted position {1}
456.~.~.~ Notch or cavity engaging

DEFINITION

Classification: 248/456

(under subclass 455) Device wherein a portion of the leg-like supporting member is engageable with a rack, serration or hole.