Patent
   D434444
Priority
May 13 1999
Filed
May 13 1999
Issued
Nov 28 2000
Expiry
Nov 28 2014
Assg.orig
Entity
unknown
2
8
n/a
The ornamental design for a pencil sharpener casing, as shown.

FIG. 1 is an isometric view of the pencil sharpener casing;

FIG. 2 is a first side view;

FIG. 3 is a top view;

FIG. 4 is a bottom view;

FIG. 5 is a second side view;

FIG. 6 is a front view; and,

FIG. 7 is a rear view.

Mak, King Biu

Patent Priority Assignee Title
D449072, Oct 26 1999 Alterra Holdings Corporation Pencil sharpener
D495004, Dec 29 2003 Electrical pencil sharpener with digital clock
Patent Priority Assignee Title
3152581,
3678975,
221907,
222188,
237610,
D298840, Jun 24 1985 Ketcham & McDougall, Inc. Pencil sharpener
D396062, Jan 13 1997 STANLEY FASTENING SYSTEMS, L P Electric pencil sharpener
D406173, Jun 01 1998 Pencil sharpener
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 19 1997Wayne State UniversityNATIONAL SCIENCE FOUNDATIONCONFIRMATORY LICENSE SEE DOCUMENT FOR DETAILS 0134380730 pdf
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