Patent
   D379371
Priority
Apr 14 1993
Filed
Apr 14 1993
Issued
May 20 1997
Expiry
May 20 2011
Assg.orig
Entity
unknown
7
54
n/a
The ornamental design for a perspective drawing device, as shown and described.

FIG. 1 is a perspective view of our new perspective drawing device in an open position;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a left side elevational view thereof;

FIG. 8 is a right side elevational view of our new perspective drawing device in a closed position; and,

FIG. 9 is a left side elevational view of the perspective drawing device in a closed position.

The broken line disclosure in the FIG. 1 view is provided for illustrative purposes only and forms no part of the claimed design.

Brech, James M., Nicholl, Danny B.

Patent Priority Assignee Title
6785972, Jan 22 2002 Method and system for recording a viewing point
7491060, Oct 24 2005 Perspective painting aid assembly
7513773, Jan 28 2005 Method and system for creating true perspective drawings and drawings created by same
D502964, Nov 10 2003 Crayola LLC Portable easel
D699297, Mar 30 2012 3-D TECHNICAL SERVICES COMPANY Laparoscopic trainer
D747412, Dec 17 2014 ART EXPRESSIONS BY CFA, LTD. Board
D792518, Jan 08 2016 ART EXPRESSIONS BY CFA, LTD. Board
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 13 1993BRECH, JAMES MATHEWNICHOLL, DANNY BRUCEASSIGNMENT OF ASSIGNORS INTEREST 0065130600 pdf
Apr 14 1993Drawing Directions, Inc.(assignment on the face of the patent)
Feb 14 1996NICHOLL, DANNY BRUCEDRAWING DIRECTIONS, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0078310778 pdf
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