Author: Commerce Dept. / Publish Year Decade: 1940 - 1949 / Sudoc Stem: C 21.3 - Blacklight Search Results

Start Over Author Commerce Dept. Publish 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 129, containing classification orders 12-17 of new series pertaining to classification of subjects of invention revised by Classification Group of Patent Office and includes: Class 323, Electricity, voltage magnitude and phase control systems.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1948.]
SuDoc number:: C 21.3:129

5. Classification bulletin 130, [containing] schedule and definitions or the class as established by Classification Group of Patent Office, by Classification Order 34, dated Aug. 16, 1948; Class 323, Modulators.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1948.]
SuDoc number:: C 21.3:130

6. Classification bulletin 131-137, containing classification definitions of classes revised by Classification Group of Patent Office, to include all changes through order 37, dated Oct. 28, 1948.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1948.]
SuDoc number:: C 21.3:131-137

7. 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