JOHNSON, Chief Judge.
This is an appeal from a decision of the Patent Office Board of Appeals rejecting as unpatentable over the prior art claims 46 through 49 and 52 through 54, in appellant's application No. 238,712, filed July 26, 1951, for "Supporting Devices for Coated Abrasive Products." Claims 50, 51, 55 and 56 were withdrawn from further consideration as not readable on the elected species and are thus not before us on this appeal.
Claim 46 is illustrative...
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