Classification bulletin. 398. Class 313, Electric lamp and discharge devices, Dec. 4, 1950.
Publication Title:
Class 313, Electric lamp and discharge devices, Dec. 4, 1950.
Display Title:
Classification bulletin. 398. Class 313, Electric lamp and discharge devices, Dec. 4, 1950.
Series Title:
Classification bulletin.
Corporate Agency Authors:
Patent Office and Commerce Dept.
Sort Author:
Patent Office
Date:
[1950.]
Publish Date ISO Format:
1950-01-01T00:00:00Z
Publication Start:
19500101
Publication End:
19501231
Corporate/Agency Author:
Patent Office
Publication month:
13
Publication year:
1950
SuDoc number:
C 21.3:398
Description:
iii p.+60 leaves+3+118 p.
Notes:
[Contains classification order 88, pertaining to classification of subjects of invention, revised by Classification Group of Patent Office.] and [Issued with perforations.]
Notes:
[Issued with perforations.] * For Sale by Superintendent of Documents. Paper, $ 1.20. • Sent to Depository Libraries. Item 252
Availability:
* For Sale by Superintendent of Documents. Paper, $ 1.20. • Sent to Depository Libraries. Item 252