Magnetic tape cassette

- Sony Corporation

FIG. 1 is a top plan view of a magnetic tape cassette showing our new design;

FIG. 2 is a front elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a rear elevational view;

FIG. 5 is a left side elevational view;

FIG. 6 is a bottom plan view;

FIG. 7 is an enlarged fragmentary view of the area circled in the FIG. 2.

Referenced Cited
U.S. Patent Documents
D256912 September 16, 1980 Lonberger
4191984 March 4, 1980 Tsukidate et al.
4440359 April 3, 1984 Nelson
Other references
  • Advertising brochure entitled TDK Cassette Tapes published Oct. 1979, Japan. Photocopy of two audio compact cassettes, manufactured by TDK in Japan. High Fidelity, 4-82, p. 2, SA-X C90 TDK Cassette. Stereo Review, 10-82, p. 68, BASF 90 Professional II Cassette.
Patent History
Patent number: D284077
Type: Grant
Filed: Oct 25, 1983
Date of Patent: Jun 3, 1986
Assignee: Sony Corporation (Tokyo)
Inventors: Katsutoshi Kikuchi (Tokyo), Yoshie Nagasaka (Tokyo)
Primary Examiner: Jane E. Corrigan
Attorneys: Lewis H. Eslinger, Alvin Sinderbrand
Application Number: 6/545,181
Current U.S. Class: D14/11