Publish Year Decade: 1940 - 1949 / Sudoc Stem: C 21.2 - Blacklight Search Results

Start Over Publish Year Decade 1940 - 1949 Sudoc Stem C 21.2

11. Patents. United States patent law sesquicentennial celebration, record of proceedings commemorating 150th anniversary of signing of 1st United States patent law, 1790-April 10-1940.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1941.]
SuDoc number:: C 21.2:P 27/4

12. Trade-marks. General information about protection of trade-marks.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [Revised Mar. 1, 1939.] Reprint [with changes] July 1, 1940
SuDoc number:: C 21.2:T 67/940

13. Interferences. Ex parte actions in connection with interferences, discussion of practice as it affects primary examiner, Nov. 1, 1939.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1940.]
SuDoc number:: C 21.2:C 56/no.8

14. Patents. General information concerning patents, Oct. 1, 1940.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1940
SuDoc number:: C 21.2:P 27/940

15. Patents. Story of American patent system, 1790-April 10-1940.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1940.]
SuDoc number:: C 21.2:P 27/3

16. Patents. Supplement to General information concerning patents pamphlet: Patent applications by foreign applicants.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1940.]
SuDoc number:: C 21.2:P 27/939/supp.

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