Publish Year Decade: 1940 - 1949 / Sudoc Stem: C 21.3 - Blacklight Search Results

Start Over Publish Year Decade 1940 - 1949 Sudoc Stem C 21.3

11. Classification bulletin 91, Sept. 25-Dec. 13, 1944, containing classification orders ncs. 3855-75, pertaining to classification of subjects of invention revised by Classification Division.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1945.]
SuDoc number:: C 21.3:91

12. Classification bulletin 93, class 13, Electric furnaces, class 219, Electric heating, containing classification of above classes revised by Classification Division, and including all changes through order no. 3879, dated Feb. 10, 1945.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1945.]
SuDoc number:: C 21.3:93

13. Classification bulletin 95, class 8, Bleaching and dyeing, fluid treatment and chemical modification of textiles and fibers, containing classification of above class revised by Classification Division, and including all changes through order no. 3879, dated Feb. 10, 1945.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1945.]
SuDoc number:: C 21.3:95

14. Classification bulletin 96, Feb. 10-Apr. 9, 1945, containing classification orders nos. 3879-3918, pertaining to classification of subjects of invention revised by Classification Division.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1945.]
SuDoc number:: C 21.3:96

15. Classification bulletins. Classification bulletin 89, 90, class 123, Internal-combustion engines, containing classification of above class revised by Classification Division, and including all changes through order no. 3857, dated Sept. 27, 1944.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1945.]
SuDoc number:: C 21.3:90

16. Classification bulletins. Classification bulletin 89, Apr. 4-Sept. 18, 1944, containing classification orders nos. 3810-51, pertaining to classification of subjects of invention revised by Classification Division.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1945.]
SuDoc number:: C 21.3:89

17. Classification bulletins. Classification bulletin 92, class 51, Abrading, containing classification of above class revised by Classification Division, and including all changes through order no. 3879, dated Feb. 10, 1945.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1945.]
SuDoc number:: C 21.3:92

18. Classification bulletins. Classification bulletin 94, class 2, Apparel, containing classification of above class revised by Classification Division, and including all changes through order no. 3879, dated Feb. 10, 1945.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1945.]
SuDoc number:: C 21.3:94

19. Classification bulletin 86, May 29-Sept. 28, 1943, containing classification of subjects of invention revised by Classification Division.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1944.]
SuDoc number:: C 21.3:86

20. Classification bulletin 87, Sept. 29-Nov. 1, 1943, containing classification orders nos. 3761-70, pertaining to classification of subjects of invention revised by Classification Division.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1944.]
SuDoc number:: C 21.3:87

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