US PATENT SUBCLASS 297 / 228.13
.~ Having rigid or semirigid securing member (e.g., zipper, hook, ring, snap, button, etc.)

Current as of: June, 1999
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297 /   HD   CHAIRS AND SEATS

219.1  DF  DETACHABLE SUPPLEMENTAL FLEXIBLE PAD OR COVER {13}
228.13.~ Having rigid or semirigid securing member (e.g., zipper, hook, ring, snap, button, etc.)

DEFINITION

Classification: 297/228.13

Having rigid or semirigid securing member (e.g., zipper, hook, ring, snap, button, etc.):

(under subclass 219.1) Device wherein the attaching means includes an element made of material which is substantially nonyielding or which yields to a slight degree.