Author: Patent Office / Publish Year Decade: 1950 - 1959 - Blacklight Search Results

Start Over Author Patent Office Publish Year Decade 1950 - 1959

21. Classification bulletins. 141. Class 210, Liquid purification or separation, containing classification definitions of above class revised by Classification Group of Patent Office, to include all changes through order 216, dated Mar. 29, 1957.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: Revision 1. [1957.]
SuDoc number:: C 21.3:(nos.)

22. Classification bulletins. 329. Class 242, Winding and reeling, containing classification definitions of above class revised by Classification Group of Patent Office, to include all chances through order 223, dated May 22, 1957.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: Revision 1. [1957.]
SuDoc number:: C 21.3:(nos.)

23. Decisions of commissioner of patents and of United States courts in patent and trade-mark cases, compiled from v. 702-713 of Official gazette of Patent Office during 1956.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: 1957
SuDoc number:: C 21.6:956

24. General information concerning patents, Feb. 1957.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1957.]
SuDoc number:: C 21.2:P 27/957

25. General information concerning trademarks; Sept. 1957.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1957.]
SuDoc number:: C 21.2:T 67/957

26. Index of patents issued from Patent Office, 1956.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: 1957
SuDoc number:: C 21.5/2:956

27. Index of trademarks issued from Patent Office, 1956.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: 1957
SuDoc number:: C 21.5/3:966

28. Manual of classification [July 1947, replacement sheets; Apr. 1957.]

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1957.]
SuDoc number:: C 21.12:947/rev.pages-34

29. Manual of classification [July 1947, replacement sheets; Jan. 1953].

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: Amended July 1957. [1957.]
SuDoc number:: C 21.12:947/rev.pages-18/957

30. Manual of classification [July 1947, replacement sheets; Jan. 1954].

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: Amended July 1957. [1957.]
SuDoc number:: C 21.12:947/rev.pages-22/957

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