Author: Patent Office / Publish Year Decade: 1950 - 1959 - Blacklight Search Results

Start Over Author Patent Office Publish Year Decade 1950 - 1959

161. Classification bulletins 227-242, containing classification definitions of classes revised by Gasification Group of Patent Office, to include all changes through order 60, dated Nov. 16, 1949 [1949.]. 236. Class 103, Pumps.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [March 1950]
SuDoc number:: C 21.3:227-242

162. Classification bulletins 227-242, containing classification definitions of classes revised by Gasification Group of Patent Office, to include all changes through order 60, dated Nov. 16, 1949 [1949.]. 237. Class 106, Compositions, coating or plastic.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [March 1950]
SuDoc number:: C 21.3:227-242

163. Classification bulletins 227-242, containing classification definitions of classes revised by Gasification Group of Patent Office, to include all changes through order 60, dated Nov. 16, 1949 [1949.]. 238. Class 107, Bread, pastry, and confection making.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [March 1950]
SuDoc number:: C 21.3:227-242

164. Classification bulletins 227-242, containing classification definitions of classes revised by Gasification Group of Patent Office, to include all changes through order 60, dated Nov. 16, 1949 [1949.]. 239. Class 108, Roofs.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [March 1950]
SuDoc number:: C 21.3:227-242

165. Classification bulletins 227-242, containing classification definitions of classes revised by Gasification Group of Patent Office, to include all changes through order 60, dated Nov. 16, 1949 [1949.]. 240. Class 111, Planting.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [March 1950]
SuDoc number:: C 21.3:227-242

166. Classification bulletins 227-242, containing classification definitions of classes revised by Gasification Group of Patent Office, to include all changes through order 60, dated Nov. 16, 1949 [1949.]. 241. Class 112, Sewing machines.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [March 1950]
SuDoc number:: C 21.3:227-242

167. Classification bulletins 227-242, containing classification definitions of classes revised by Gasification Group of Patent Office, to include all changes through order 60, dated Nov. 16, 1949 [1949.]. 242. Class 113, Sheet metal ware making.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [March 1950]
SuDoc number:: C 21.3:227-242

168. Rules of practice in trade-mark cases, with forms & statutes.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [2d edition, Mar. 1950.] 1950
SuDoc number:: C 21.14:T 67/2/950

169. Annual report of commissioner of patents, 1949.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: 1950
SuDoc number:: C 21.1/2:949

170. Classification bulletin 258, Feb. 16-Dec. 28, 1949, containing classification orders 49-61 pertaining to classification of subjects of invention revised by Classification Group of Patent Office.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1950.]
SuDoc number:: C 21.3:258

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