Catalog Issue Year Decade: 1950 - 1959 / Sudoc Stem: C 21.3 - Blacklight Search Results

Start Over Catalog Issue Year Decade 1950 - 1959 Sudoc Stem C 21.3

221. Classification bulletins 184-199, containing classification definitions of the classes revised by Classification Group of Patent Office to include all changes through order 55, dated July 18, 1949. 192. Class 21, Preserving, disinfecting, and sterilizing.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1949.]
SuDoc number:: C 21.3:184-199

222. Classification bulletins 184-199, containing classification definitions of the classes revised by Classification Group of Patent Office to include all changes through order 55, dated July 18, 1949. 193. Class 26, Textiles, cloth finishing.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1949.]
SuDoc number:: C 21.3:184-199

223. Classification bulletins 184-199, containing classification definitions of the classes revised by Classification Group of Patent Office to include all changes through order 55, dated July 18, 1949. 194. Class 27, Undertaking.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1949.]
SuDoc number:: C 21.3:184-199

224. Classification bulletins 184-199, containing classification definitions of the classes revised by Classification Group of Patent Office to include all changes through order 55, dated July 18, 1949. 195. Class 31, Dairy.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1949.]
SuDoc number:: C 21.3:184-199

225. Classification bulletins 184-199, containing classification definitions of the classes revised by Classification Group of Patent Office to include all changes through order 55, dated July 18, 1949. 196. Class 32, Dentistry.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1949.]
SuDoc number:: C 21.3:184-199

226. Classification bulletins 184-199, containing classification definitions of the classes revised by Classification Group of Patent Office to include all changes through order 55, dated July 18, 1949. 197. Class 35, Education.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1949.]
SuDoc number:: C 21.3:184-199

227. Classification bulletins 184-199, containing classification definitions of the classes revised by Classification Group of Patent Office to include all changes through order 55, dated July 18, 1949. 198. Class 37, Excavating.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1949.]
SuDoc number:: C 21.3:184-199

228. Classification bulletins 184-199, containing classification definitions of the classes revised by Classification Group of Patent Office to include all changes through order 55, dated July 18, 1949. 199. Class 72, Masonry and concrete structures.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1949.]
SuDoc number:: C 21.3:184-199

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