Author: Commerce Dept. / Sudoc Stem: C 21.3 - Blacklight Search Results

Start Over Author Commerce Dept. Sudoc Stem C 21.3

81. Classification bulletin. 232. Class 97, Plows.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: Revision 1 [May 1953.]
SuDoc number:: C 21.3:232/2

82. Classification bulletin 411, containing classification order nos. 140-143 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:: [1953.]
SuDoc number:: C 21.3:411

83. Classification bulletin. 410. Class 340, Communications, electrical.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1953.]
SuDoc number:: C 21.3:410

84. Classification bulletin. 412. Class 339, Electrical connectors, May 12, 1953.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1953.]
SuDoc number:: C 21.3:412

85. Classification bulletins. 200. Class 260, Chemistry, carbon compounds. Revision 1.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1953.]
SuDoc number:: C 21.3:(nos.)

86. Classification bulletins. 413. Class 333, Wave transmission linos and networks.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1953.]
SuDoc number:: C 21.3:(nos.)

87. Classification bulletins. 403. Class 118, Coating apparatus.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: Jan. 3, 1952. [1952.]
SuDoc number:: C 21.3:(nos.)

88. 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

89. 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

90. 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

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