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Start Over Author Patent and Trademark Office Sudoc Stem C 21.12

1. Manual of classification, current pages.

Corporate/Agency Authors:: Patent and Trademark Office and Commerce Dept.
Publisher:: Patent and Trademark Office
Date:: July 1975
SuDoc number:: C 21.12:972-73/current pages-2

2. Manual of classification, Apr. 1975 [replacement pages incorporating changes to be made subsequent to Dec. 31, 1974 and prior to Apr. 31, 1975].

Corporate/Agency Authors:: Patent and Trademark Office and Commerce Dept.
Publisher:: Patent and Trademark Office
Date:: [1975.]
SuDoc number:: C 21.12:972-73/replacement pages and C 21.12:972-73/rev. pages-7

3. Manual of patent examining procedure, 3d edition [Nov. 1961], revision 45, July 1975.

Corporate/Agency Authors:: Patent and Trademark Office and Commerce Dept.
Publisher:: Patent and Trademark Office
Date:: [1975.]
SuDoc number:: C 21.15:961/rev.notice 45 and C 21.12:972-73/rev. pages-8

4. Manual of classification, Jan. 1975 [replacement pages incorporating remainder of changes directed to be made subsequent to Oct. 1, 1974 and prior to Dec. 31, 1974].

Corporate/Agency Authors:: Patent and Trademark Office and Commerce Dept.
Publisher:: Patent and Trademark Office
Date:: [1974.]
SuDoc number:: C 21.12:972-73/rev.pages 5

5. Manual of classification, replacement pages, Oct. 1973 and Jan. 1974.

Corporate/Agency Authors:: Patent and Trademark Office and Commerce Dept.
Publisher:: Patent and Trademark Office
Date:: [1974.]
SuDoc number:: C 21.12:972-73/rev.pages