Purdy, Jay D. In Court of Customs and Patent Appeals, patent appeal no. 2704, in re Jay D. Purdy, locomotive valve gear; brief for commissioner of patents.

Publication Title:
Purdy, Jay D. In Court of Customs and Patent Appeals, patent appeal no. 2704, in re Jay D. Purdy, locomotive valve gear; brief for commissioner of patents.
Display Title:
Purdy, Jay D. In Court of Customs and Patent Appeals, patent appeal no. 2704, in re Jay D. Purdy, locomotive valve gear; brief for commissioner of patents.
Corporate Agency Authors:
Patent Office
Sort Author:
Patent Office
Date:
[1930.]
Publish Date ISO Format:
1930-01-01T00:00:00Z
Publication Start:
19300101
Publication End:
19301231
Corporate/Agency Author:
Patent Office
Publication month:
13
Publication year:
1930
SuDoc number:
C 21.10:P 972
Description:
cover-title, 9 p. large 8°
Notes:
‡ Official Use. Not Available.
Availability:
‡ Official Use. Not Available.
Monthly Catalog date:
July 1930
Monthly Catalog issue number:
427
Monthly Catalog page number:
1
Monthly Catalog issue date:
1930-07-01T00:00:00Z
Record start page number:
16

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