In re Weingartner

The claims involved in this appeal are combination claims, and the usual difficulty is presented of determining whether the combination is inventive in view of prior art cited, in which prior art are found combined elements analogous in principle to the combined elements of the claim, but requiring modification in order to meet the claims. As to certain of the claims there is also the question of direct anticipation and as to others the question of aggregation.

A number of claims were allowed by the primary examiner, those on appeal being rejected, of course, both by the examiner and the Board…