Magnetic disc

- Sony Corporation
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Description

FIG. 1 is a top view of a magnetic disc showing our new design,

FIG. 2 is a front view thereof,

FIG. 3 is a right side view thereof,

FIG. 4 is a rear view thereof,

FIG. 5 is a left side view thereof,

FIG. 6 is a bottom view thereof,

FIG. 7 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D271298 November 8, 1983 Fujimoto
347553 February 1982 Saito
4138703 February 6, 1979 Stave et al.
Foreign Patent Documents
0042311 March 1980 JPX
2082371 February 1982 GBX
Patent History
Patent number: D277858
Type: Grant
Filed: Mar 29, 1983
Date of Patent: Mar 5, 1985
Assignee: Sony Corporation (Tokyo)
Inventors: Katsumasa Takahashi (Tokyo), Katsutoshi Kikuchi (Tokyo)
Primary Examiner: Susan J. Lucas
Attorneys: Lewis H. Eslinger, Alvin Sinderbrand
Application Number: 6/480,147
Classifications
Current U.S. Class: D14/114