Author: Patent Office / Catalog Issue Year Decade: 1930 - 1939 - Blacklight Search Results

Start Over Author Patent Office Catalog Issue Year Decade 1930 - 1939

2351. Patents. Classification of patents issued Sept. 1-29, 1931.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1931.]
SuDoc number:: C 21.5/a 1:410/1-5

2352. Patents. General information concerning patents [Mar. 1931].

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1931
SuDoc number:: C 21.2:P 27/931

2353. Patents. Index of patents issued from Patent Office, 1930.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1931
SuDoc number:: C 21.5/2:930

2354. Patents. [Manual of classification of patents, 1929, substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1931.]
SuDoc number:: C 21.12:929/p.23, 24

2355. Patents. [Manual of classification of patents, 1929, substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1931.]
SuDoc number:: C 21.12:929/p.225-228a

2356. Patents. [Manual of classification of patents, 1929] errata and correction sheet, Jan. 1-Dec. 31, 1930.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1931.]
SuDoc number:: C 21.12:929/errata 930

2357. Peiler, Karl E. In Court of Customs and Patent Appeals, patent appeal no. 2902, in re Karl E. Peiler, improvement in feeding molten glass; brief for commissioner of patents.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1931.]
SuDoc number:: C 21.10:P 351/2

2358. Powelson, Wilfrid V. N. In Court of Customs and Patent Appeals, patent appeal no. 2729, in re Wilfrid V. N. Powelson and Warren Travell, improvement in airships; brief for commissioner of patents.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1931.]
SuDoc number:: C 21.10:P 871/2

2359. Prints and labels. United States statutes concerning registration of prints and labels with rules of Patent Office relating thereto. Edition of Jan. 1, 1932.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: 1931
SuDoc number:: C 21.7/3:932

2360. Prosser, Joseph G. In Court of Customs and Patent Appeals, patent appeal no. 2846, in re Joseph G. Prosser, hosiery finishing apparatus; brief for commissioner of patents.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1931.]
SuDoc number:: C 21.10:P 945/3

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