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

Start Over Catalog Issue Year Decade 1940 - 1949 Sudoc Stem C 21.3

1. Classification bulletin 101, June 17, 1947, containing classification orders nos. 6 and 7 of new series pertaining to classification of subjects of invention revised by classification group of Patent Office and includes class 322. Electricity, single generator systems.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1948.]
SuDoc number:: C 21.3:101

2. Classification bulletin 102, July 11-Aug. 14, 1947, containing classification orders nos. 8-11 of new series pertaining to classification of subjects of invention revised by classification group of Patent Office and includes class 343, Communications, radiant energy.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1948.]
SuDoc number:: C 21.3:102

3. Classification bulletin 103-128, containing classification definitions of classes revised by Classification Group of Patent Office, to include all changes through Order 31, dated June 24, 1948.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1948.]
SuDoc number:: C 21.3:103-128

4. Classification bulletin 100, Feb. 7-May 23, 1947. containing classification orders nos. 5207 of old series and 1-5 of new series pertaining to classification subjects of invention revised by classification group of Patent Office, and includes class 318, Electricity, motive power systems.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1947.]
SuDoc number:: C 21.3:100

5. Classification bulletin 90, class 101, Printing, containing classification of above Class revised by Classification Division, and including till changes through order no. 5207, dated Feb. 7, 1947.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1947.]
SuDoc number:: C 21.3:99

6. Classification bulletin 98, May 4, 1945-Aug. 28, 1946, containing classification orders nos. 3927-4092, pertaining to classification of subjects of invention revised by Classification Division.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1947.]
SuDoc number:: C 21.3:98

7. Classification bulletin 97, consolidated index to Classification bulletins 1-96, continuing defined classes arranged numerically with their titles, and for each a list of all Classification bulletins containing reference thereto: from bulletins so listed, the definitions in present amended form of each class may be compiled.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1946.]
SuDoc number:: C 21.3:97

8. 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

9. 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

10. 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

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