Classification bulletins. 460. Class 299, Mining or in situ disintegration of hard material, containing classification definitions of above class established by Office of Patent Classification of Patent Office by Classification order dated June 29, 1964.
Publication Title:
Class 299, Mining or in situ disintegration of hard material, containing classification definitions of above class established by Office of Patent Classification of Patent Office by Classification order dated June 29, 1964.
Display Title:
Classification bulletins. 460. Class 299, Mining or in situ disintegration of hard material, containing classification definitions of above class established by Office of Patent Classification of Patent Office by Classification order dated June 29, 1964.
Series Title:
Classification bulletins.
Corporate Agency Authors:
Patent Office and Commerce Dept.
Sort Author:
Patent Office
Date:
[1964.]
Publish Date ISO Format:
1964-01-01T00:00:00Z
Publication Start:
19640101
Publication End:
19641231
Corporate/Agency Author:
Patent Office
Publication month:
13
Publication year:
1964
SuDoc number:
C 21.3:(nos.)
Description:
[3]+19 p. 4°
Notes:
[Issued with perforations.]
Notes:
[Issued with perforations.] • Sent to Depository Libraries. Item 252
Availability:
* For Sale by Superintendent of Documents. Paper, 25c. and • Sent to Depository Libraries. Item 252