Classification bulletin. 410. Class 340, Communications, electrical.
Publication Title:
Class 340, Communications, electrical.
Display Title:
Classification bulletin. 410. Class 340, Communications, electrical.
Series Title:
Classification bulletin.
Corporate Agency Authors:
Patent Office and Commerce Dept.
Sort Author:
Patent Office
Date:
[1953.]
Publish Date ISO Format:
1953-01-01T00:00:00Z
Publication Start:
19530101
Publication End:
19531231
Corporate/Agency Author:
Patent Office
Publication month:
13
Publication year:
1953
SuDoc number:
C 21.3:410
Description:
[2]+ii+[107] p. 4°
Notes:
[Contains classification orders 138 and 139 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, 70c. • Sent to Depository Libraries. Item 252
Availability:
* For Sale by Superintendent of Documents. Paper, 70c. • Sent to Depository Libraries. Item 252