Classification of patents.
Subtitle: Hearings before the Committee on patents, subcommittee on classification of patents, House of representatives, Seventy-sixth Congress, first session, on H.R. 3605, a bill to provide a permanent force to classify patents, and so forth, in the Patent office. May 23, 1939.
Publisher: U.S. Govt. print. off.
Published: 1939
Place of publication: Washington
Language: eng
Number of pages: 56
Subjects: Patent laws and legislation -- United States.
Notes: Available also in microform in CIS US congressional committee hearings, accession number (76)H864-16.
Printed for the use of the Committee on patents.
John M. Coffee, chairman of subcommittee.