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

Start Over Author Patent Office Catalog Issue Year Decade 1950 - 1959

121. Career in patents for engineers, physicists, chemists.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1952.]
SuDoc number:: C 21.2:C 18

122. Classification bulletin 405, Peb. 13-May 8, 1952, containing classification orders 119-126, pertaining to classification of subjects of invention revised by Classification Group of Patent Oflice.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1952.]
SuDoc number:: C 21.5:405

123. Classification bulletin 408, July 1-Oct. 1, 1952, containing classification orders 131-136 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:: [1952.]
SuDoc number:: C 21.3:408

124. Classification bulletin. 118. Class 214, Material or article handling. Revision 1.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1952.]
SuDoc number:: C 21.3:118/2

125. Classification bulletin. 401. [Revised classification of patents].

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: Feb. 24-Oct. 23, 1951. [1952.]
SuDoc number:: C 21.3:401

126. Classification bulletins. 404. Class 330. Adjustable inductor devices, Jan. 23, 1952.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1952.]
SuDoc number:: C 21.3:(nos.)

127. Decisions of commissioner of patents and of United States courts in patent and trade-mark cases, compiled from v. 642-653 of Official gazette of Patent Office during 1951.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: 1952
SuDoc number:: C 21.6:951

128. Index of patents issued from Fatent Office, 1951.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: 1952
SuDoc number:: C 21.5/2:951

129. Index of trade-marks, issued from Patent Office, 1951.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: 1952
SuDoc number:: C 21.5/3:951

130. Manual of classification [July 1947, replacement sheets; Apr. 1951.]

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1952.]
SuDoc number:: C 21.12:947/rev.pages-15

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