Patent
   D502487
Priority
Dec 30 2002
Filed
May 12 2003
Issued
Mar 01 2005
Expiry
Mar 01 2019
Assg.orig
Entity
unknown
0
5
n/a
The ornamental design for a joint capable of exchanging image projection direction, as shown and described.

FIG. 1 is a front view of a joint capable of exchanging image projection direction;

FIG. 2 is a back view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a perspective view thereof.

Kung, Su Min

Patent Priority Assignee Title
Patent Priority Assignee Title
4930883, Jul 06 1987 Photovisual star diagonal
5121220, Feb 20 1991 Jason Empire, Inc. Ocular turret telescope system
6700689, Apr 01 2002 Adjusting device for adjusting a projecting direction of a view
20040125475,
D473255, Mar 19 2001 3M Innovative Properties Company Inverted projection head for an overhead projector
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 26 2002KUNG, SU-MINHUNTER OPTICAL CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0140670560 pdf
May 12 2003Hunter Optical Co., Ltd.(assignment on the face of the patent)
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