Classification bulletins. 418. Classification bulletin. Apr. 19-May 10, 1951, containing classification order nos. 162 and 163, pertaining to classification of subjects of invention revised by Classification Group of Patent Office.
Publication Title:
Classification bulletin. Apr. 19-May 10, 1951, containing classification order nos. 162 and 163, pertaining to classification of subjects of invention revised by Classification Group of Patent Office.
Display Title:
Classification bulletins. 418. Classification bulletin. Apr. 19-May 10, 1951, containing classification order nos. 162 and 163, pertaining to classification of subjects of invention revised by Classification Group of Patent Office.
Series Title:
Classification bulletins.
Corporate Agency Authors:
Patent Office and Commerce Dept.
Sort Author:
Patent Office
Date:
[1954.]
Publish Date ISO Format:
1954-01-01T00:00:00Z
Publication Start:
19540101
Publication End:
19541231
Corporate/Agency Author:
Patent Office
Publication month:
13
Publication year:
1954
SuDoc number:
C 21.3:(nos.)
Description:
[2]+ii+33 + 26 p. 4°
Notes:
[Classification order 161 published in bulletin 392, revised.] and [Issued with perforations.]
Notes:
[Issued with perforations.] • Sent to Depository Libraries. Item 252
Availability:
* For Sale by Superintendent of Documents. Paper, 40c. and • Sent to Depository Libraries. Item 252