Publish Year Decade: 1960 - 1969 / Sudoc Stem: C 21.3 - Blacklight Search Results

Start Over Publish Year Decade 1960 - 1969 Sudoc Stem C 21.3

21. Classification bulletins. 454. Class 92, Expansible chamber devices, containing classification definitions of above class established by Classification Group of Patent Office by Classification order dated June 14, 1963.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1963.]
SuDoc number:: C 21.3: (nos.)

22. Classification bulletins. 455. Plants, containing classification definitions of above class established by Classification Group of Patent Office by Classification order dated May 29, 1963.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1963.]
SuDoc number:: C 21.3: (nos.)

23. Classification bulletins. 457. Class 161, Stock material and miscellaneous articles, containing classification definitions of above class established by Classification Group of Patent Office by Classification order 354 dated Aug. 14, 1963.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1963.]
SuDoc number:: C 21.3:(nos.)

24. Classification bulletin. 448. Class 55. Gas separation, containing classification definitions of above class established by Classification Group of Patent Office by Classification order 331, dated Apr. 5, 1962.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1962.]
SuDoc number:: C 21.3:448

25. Classification bulletin. 449. Class 325, Modulated carrier wave communication systems, containing classification definitions of above class established by Classification Group of Patent Office by Classification order 334, dated June 21, 1962.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1962.]
SuDoc number:: C 21.3:449

26. Classification bulletins. 447. Class 277, Joint packing, containing classification definitions of above class established by Classification Group of Patent Office by Classification order dated Jan. 29, 1962.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1962.]
SuDoc number:: C 21.3:(nos.)

27. Classification bulletins. 450. Class 65, Glass manufacturing, containing classification definitions of above class established by Classification Group of Patent Office by classification order 343, dated Sept. 27, 1962.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1962.]
SuDoc number:: C 21.3:(nos.)

28. Classification bulletins. 451. Class 165, Heat exchange, containing classification definitions of above class established by classification group of Patent Office by Classification order dated Dec. 14, 1962.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1962.]
SuDoc number:: C 21.3:(nos.)

29. Classification bulletin. 440. Class 175, boring or penertating earth, containing classification definitions of above class revised by classification group of Patent Office by classification order 313, Nov. 28, 1960.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1961.]
SuDoc number:: C 21.3:440

30. Classification bulletin. 441. Class 177, Weighing scales, containing classification definitions of above class established by Classification Group of Patent Office by classification order dated Mar. 27, 1961.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1961.]
SuDoc number:: C 21.3:441

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