Increase in fees payable to the Patent office.
Subtitle: Hearing, Eighty-fifth Congress, first session, on H.R. 7151. June 20, 1957.
Publisher: U.S. Govt. Print. Off.
Published: 1957
Place of publication: Washington
Language: eng
Number of pages: 46
Subjects: United States. Patent Office.; Patents -- Fees -- United States.
Notes: "Serial 7"