Patent
   D319049
Priority
Oct 11 1989
Filed
Oct 11 1989
Issued
Aug 13 1991
Expiry
Aug 13 2005
Assg.orig
Entity
unknown
4
4
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The ornamemtal design for a computer upper expansion unit, as shown.

FIG. 1 is a front elevational view of a computer upper expansion unit showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a top, front, right side perspective view thereof.

Wang, James P., Silverstein, Steven A.

Patent Priority Assignee Title
D337998, Mar 05 1991 TEAC Corporation Disc drive
D343612, Oct 01 1991 International Business Machines Corp Computer system unit
D350338, Oct 14 1992 Apple Computer, Inc Docking station for receiving a portable computer
D350340, Mar 05 1991 TEAC Corporation Disc drive
Patent Priority Assignee Title
3525086,
3725883,
4642715, Nov 01 1984 Miltope Corporation Environmental conditioning and safety system for disk-type mass memories
D290694, Aug 27 1984 Koyo Electronics Industries Co., Ltd. Programmable controller
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 10 1989SILVERSTEIN, STEVEN A INTERNATIONAL BUSINESS MACHINES CORPORATION, A CORP OF NY ASSIGNMENT OF ASSIGNORS INTEREST 0051600175 pdf
Oct 10 1989WANG, JAMES P INTERNATIONAL BUSINESS MACHINES CORPORATION, A CORP OF NY ASSIGNMENT OF ASSIGNORS INTEREST 0051600175 pdf
Oct 11 1989International Business Machines Corporation(assignment on the face of the patent)
May 20 2005International Business Machines CorporationLENOVO SINGAPORE PTE LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0168910507 pdf
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