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81. 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

82. 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

83. 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

84. 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

85. 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.

86. Trade-marks. General information about protection of trade-marks, prints, and labels.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: Revised Mar. 1, 1939. 1939
SuDoc number:: C 21.2:T 67/939

87. Patents. General information concerning patents, July 1, 1939.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1939
SuDoc number:: C 21.2:P 27/939

88. Trade marks. General information about protection of trade-marks, prints, and labels.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: Revised Sept. 1, 1938. 1938
SuDoc number:: C 21.2:T 67/938-2

89. Trade marks. General information about protection of trade-marks, prints, and labels.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: Revised Jan. 1, 1938. 1938
SuDoc number:: C 21.2:T 67/938

90. Trade marks. General information about protection of trade-marks, prints, and labels.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: Revised May 1, 1937. 1937
SuDoc number:: C 21.2:T 67/937

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