191. [Cases.] In Court of Customs and Patent Appeals; brief for commissioner of patents. Patent appeal. Classification bulletins 372-396, containing classification definitions of classes revised by Classification Group of Patent Office, to include all changes through order 77, dated June 5, 1950. Bookmark Corporate/Agency Authors: Patent Office and Commerce Dept. Publisher: Patent Office Date: [1950.] SuDoc number: C 21.3:(nos.)