Magnetic recording disk cartridge

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Information

Patent Grant
D307893

References
Source

Patent Number
D307,893
Date Filed
Friday, December 2, 1988
36 years ago
Date Issued
Tuesday, May 15, 1990
34 years ago

Inventors
Original Assignees
- 3M COMPANY
Examiners
- Lucas; Susan J.
- Nunn; Freda S.
Agents
- Sell; Donald M.
- Kirn; Walter N.
- Little; Douglas B.

US Classifications
- D14 - Recording, communication, or information retrieval equipment
Field of Search
- US
- D14 100
- D14 107
- D14 114
- 360 132
- 360 133
- 360 135
- 360 97-99
- 360 60
- 206 312
- 206 444
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a magnetic recording disk cartridge, as shown and described.

US Referenced Citations (11)

Number	Name	Date	Kind
D221232	Dawson et al.	Jul 1971
D245125	Chou et al.	Jul 1977
D284665	Saito et al.	Jul 1986
4445157	Takahashi	Apr 1984
4459628	Barton	Jul 1984
4470083	Doering et al.	Sep 1984
4623570	Alexander et al.	Nov 1986
4648001	Komatsu et al.	Mar 1987
4680662	Fukushima et al.	Jul 1987
4710839	Iizuka et al.	Jan 1987
4740948	Nakamori et al.	Apr 1988