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Classification bulletin of the United States Patent Office ...
containing the classification of subjects of invention ...



Corporate Author: United States.
Language(s): English
Published: Washington, Gov't Print. Off. [etc.] 1900-
Subjects: Patents > Patents / United States
Note: Earlier supplements to the Official gazette, containing the revised classification, were pub. in 1885, 1889, 1895 and 1897.
Physical Description: v. 28 cm.
Locate a Print Version: Find in a library


Item Link Original Source
Full view c.1 no.18-19,21-39 1906-17 University of Chicago
Full view c.1 no.40-44 1918-20 University of Chicago
Full view c.1 no.45-58 1920-27 University of Chicago
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