Sudoc Stem: D 21.3 - Blacklight Search Results

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1. Classification bulletins. 463. Class 72. Metal deforming, containing classification definitions of above class established by Office of Patent Classification of Patent Office by classification order, dated Mar. 11, 1965.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [Mar. 1965.]
SuDoc number:: D 21.3:(nos.)

2. Classification bulletins. 464. Class 227, elongated-member-driving apparatus, containing classification definitions of above class established by Office of Patent Classification of Patent Office by classification order dated Mar. 11, 1965.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1965.]
SuDoc number:: D 21.3:(nos.)