Patent
   D306578
Priority
Jul 10 1987
Filed
Jul 10 1987
Issued
Mar 13 1990
Expiry
Mar 13 2004
Assg.orig
Entity
unknown
16
3
n/a
The ornamental design for a optical disk drive unit for electronic computer, as shown and described.

FIG. 1 is a front, top and right side perspective view of an optical disk drive unit for electronic computer showing our new design;

FIG. 2 is front elevational view thereof; on an enlarged scale

FIG. 3 is a rear elevational view thereof; on an enlarged scale

FIG. 4 is a right side elevational view thereof; on an enlarged scale

FIG. 5 is a left side elevational view thereof; on an enlarged scale

FIG. 6 is a top plan view thereof; on an enlarged scale and

FIG. 7 is a bottom plan view thereof on an enlarged scale.

Yokoi, Kenji, Ishikawa, Sumie, Sumita, Mamoru

Patent Priority Assignee Title
D319634, Nov 15 1988 Kabushiki Kaisha Nippon Conlux Optical card reader/writer
D319635, Nov 15 1988 Kabushiki Kaisha Nippon Conlux Optical card reader/writer
D320388, Nov 15 1988 Kabushiki Kaisha Nippon Conlux Optical card reader/writer
D323321, Jan 29 1990 International Business Machines Corporation Combined disk drive and module
D323820, Dec 07 1989 Magnavox Electronic Systems Company Portable optical disk storage device
D326096, Jul 25 1989 TEAC Corporation Digital-analog converter
D336080, Apr 10 1991 Mitsubishi Electric Corporation; TEAC Corporation Magnetic optical disc drive
D336288, Oct 15 1990 International Business Machines Corporation; INTERNATIONAL BUSINESS MACHINES CORPORATION, A CORP OF NY Magnetic tape cartridge drive
D336289, Oct 15 1990 International Business Machines Corporation; INTERNATIONAL BUSINESS MACHINES CORPORATION, A CORP OF NY Disk drive
D341357, Sep 17 1990 Weircliffe International Limited Container for handling magnetic media
D342726, Jun 10 1991 TEAC Corporation Disc drive
D438851, Sep 24 1999 TEAC Corporation Optical disc player
D536003, Apr 22 2005 Microsoft Corporation Icon for a portion of a display screen
D537087, Apr 22 2005 Microsoft Corporation Icon for a portion of a display screen
D537835, Apr 22 2005 Microsoft Corporation Icon for a portion of a display screen
D551246, Apr 22 2005 Microsoft Corporation Icon for a portion of a display screen
Patent Priority Assignee Title
4669076, Oct 30 1985 International Business Machines Corporation Optical disk drive apparatus with means for accurate disk positioning
D277964, Nov 02 1982 CROMEMCO INC , A CA CORP Disk drive unit for a computer system
D296102, Apr 03 1986 Hewlett-Packard Company Optical disk drive front panel
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 10 1987ISHIKAWA, SUMIEHitachi, LTDASSIGNMENT OF ASSIGNORS INTEREST 0052620628 pdf
Jun 10 1987YOKOI, KENJIHitachi, LTDASSIGNMENT OF ASSIGNORS INTEREST 0052620628 pdf
Jun 10 1987SUMITA, MAMORUHitachi, LTDASSIGNMENT OF ASSIGNORS INTEREST 0052620628 pdf
Jul 10 1987Hitachi, Ltd.(assignment on the face of the patent)
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