Magnetic recording disk cartridge

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Description

FIG. 1 is a top, front, right side perspective view of a magnetic recording disk cartridge showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a back elevational view thereof;

FIG. 4 is a left side elevational view thereof, the right side elevational view being a mirror image;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D221232 July 1971 Dawson et al.
D245125 July 19, 1977 Chou et al.
D284665 July 15, 1986 Saito et al.
4445157 April 24, 1984 Takahashi
4459628 July 10, 1984 Barton
4470083 September 4, 1984 Doering et al.
4623570 November 18, 1986 Alexander et al.
4648001 March 3, 1987 Komatsu et al.
4680662 July 14, 1987 Fukushima et al.
4710839 December 1, 1987 Iizuka et al.
4740948 April 26, 1988 Nakamori et al.
Patent History
Patent number: D307893
Type: Grant
Filed: Dec 2, 1988
Date of Patent: May 15, 1990
Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN)
Inventors: Arthur K. Kato (St. Paul, MN), Vurnen J. Leonard (Minneapolis, MN), Osamu Sakurai (Tokyo), Osamu Koizumi (Miyagi)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Freda S. Nunn
Attorneys: Donald M. Sell, Walter N. Kirn, Douglas B. Little
Application Number: 7/279,141
Classifications
Current U.S. Class: D14/114