Classification bulletin 397, Feb. 16-Nov. 24, 1950, containing classification orders 62-87 pertaining to classification of subjects of invention revised by Classification Group of Patent Office.
Publication Title:
Classification bulletin 397, Feb. 16-Nov. 24, 1950, containing classification orders 62-87 pertaining to classification of subjects of invention revised by Classification Group of Patent Office.
Display Title:
Classification bulletin 397, Feb. 16-Nov. 24, 1950, containing classification orders 62-87 pertaining to classification of subjects of invention revised by Classification Group of Patent Office.
Corporate Agency Authors:
Patent Office and Commerce Dept.
Sort Author:
Patent Office
Date:
[1951.]
Publish Date ISO Format:
1951-01-01T00:00:00Z
Publication Start:
19510101
Publication End:
19511231
Corporate/Agency Author:
Patent Office
Publication month:
13
Publication year:
1951
SuDoc number:
C 21.3:397
Description:
67 leaves, 4°
Notes:
[Prior Bulletin 258 contains order nos. 49-61.]
Notes:
[Prior Bulletin 258 contains order nos. 49-61.] * For Sale by Superintendent of Documents. Paper, 50c. • Sent to Depository Libraries. Item 252
Availability:
* For Sale by Superintendent of Documents. Paper, 50c. • Sent to Depository Libraries. Item 252