Definitions of revised classes and subclasses of subjects of invention in Patent Office arranged in numerical order; revised to Jan. 1, 1912, including Classification bulletin 27.
Publication Title:
Definitions of revised classes and subclasses of subjects of invention in Patent Office arranged in numerical order; revised to Jan. 1, 1912, including Classification bulletin 27.
Display Title:
Definitions of revised classes and subclasses of subjects of invention in Patent Office arranged in numerical order; revised to Jan. 1, 1912, including Classification bulletin 27.
Corporate Agency Authors:
Patent Office
Sort Author:
Patent Office
Date:
1912
Publish Date ISO Format:
1912-01-01T00:00:00Z
Publication Start:
19120101
Publication End:
19121231
Corporate/Agency Author:
Patent Office
Publication month:
13
Publication year:
1912
Description:
495 p. large 8°
Notes:
[Supplement to Manual of classification of subjects of invention of Patent Office.]
Notes:
[Supplement to Manual of classification of subjects of invention of Patent Office.] * For Sale by Superintendent of Documents. Paper, 50c.
Availability:
* For Sale by Superintendent of Documents. Paper, 50c.