Classification bulletins 144-176, containing classification definitions Of the classes revised by Classification Group of Patent Office to include nil changes through orders 50 and 51, dated Mar. 29 and May 19, 1949. 159. Class 34. Drying and gas or vapor contact with solids.
Publication Title:
Class 34. Drying and gas or vapor contact with solids.
Display Title:
Classification bulletins 144-176, containing classification definitions Of the classes revised by Classification Group of Patent Office to include nil changes through orders 50 and 51, dated Mar. 29 and May 19, 1949. 159. Class 34. Drying and gas or vapor contact with solids.
Series Title:
Classification bulletins 144-176, containing classification definitions Of the classes revised by Classification Group of Patent Office to include nil changes through orders 50 and 51, dated Mar. 29 and May 19, 1949.
Corporate Agency Authors:
Patent Office and Commerce Dept.
Sort Author:
Patent Office
Date:
[1949.]
Publish Date ISO Format:
1949-01-01T00:00:00Z
Publication Start:
19490101
Publication End:
19491231
Corporate/Agency Author:
Patent Office
Publication month:
13
Publication year:
1949
SuDoc number:
C 21.3:144-176
Description:
[2]+48 p. 4°
Notes:
[Processed. Issued with perforations.]
Notes:
[Processed. Issued with perforations.] * For Sale by Superintendent of Documents. Paper, 35c.
Availability:
* For Sale by Superintendent of Documents. Paper, 35c.