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

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41. Classification bulletin. 439. Class 234, Selective cutting (e.g., punching), containing classification definitions of above class revised by Classification Group of Patent Office by classification order no. 311, dated Oct. 14, 1960.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1960.]
SuDoc number:: C 21.3:439

42. Classification bulletin. [Issued with perforations.]. 437. Class 226, advancing material of indeterminate-length, containing classification definitions of above class established by classification group of Patent Office by classification order dated Aug. 26, 1960.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1960.]
SuDoc number:: C 21.3:437

43. Classification bulletin. [Issued with perforations.]. 438. Class 329, Demodulators and detectors, containing classification definitions of above class revised by Classification Group of Patent Office by classification order dated Oct. 14, 1960.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1960.]
SuDoc number:: C 21.3:438

44. Classification bulletins. 432. Class 182, Fire escapes, ladders, scaffolds, containing classification definitions of above class established by Classification Group of Patent Office by classification order 286, July 30, 1959.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [July 1959.]
SuDoc number:: C 21.3:(nos.)

45. Classification bulletin. 425. Class 172, Earth working, containing classification definitions of above class revised by classification group of Patent Office and established by classification order 267, Dec. 12, 1958.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1959.]
SuDoc number:: C 21.3:425

46. Classification bulletin. 426. Class 225. Severing by tearing or breaking, containing classification definitions of above class revised by classification group of Patent Office and established by classification order 270, Feb. 9, 1959.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1959.]
SuDoc number:: C 21.3:426

47. Classification bulletin. 428. Class 239, Fluid sprinkling spraying and diffusing, containing classification definitions of above class revised by Classification Group of Patent Office and established by Classification order 273, Mar. 23, 1959.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1959.]
SuDoc number:: C 21.3:428

48. Classification bulletin. 430. Class 338, Electrical resistors, containing classification definitions of above class revised by Classification Group of Patent Office by classification order, dated May 21, 1959.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1959.]
SuDoc number:: C 21.3:430

49. Classification bulletin. 433. Class 83, Cutting, containing definitions of above class established by Classification Group of Patent Office by Classification order 292, Nov. 5, 1959.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1959.]
SuDoc number:: C 21.3:433

50. Classification bulletins. 369. Class 305, wheel substitutes for land vehicles, containing classification definitions of above class established by Classification Group of Patent Office by Classification order 290, Aug. 27, 1959

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: Revision 1. [1959.]
SuDoc number:: C 21.3:(nos.)

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