|
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 |
Patent | Priority | Assignee | Title |
1041435, | |||
1166445, | |||
1210608, | |||
1282382, | |||
1400217, | |||
1645752, | |||
1661286, | |||
216460, | |||
2222297, | |||
224945, | |||
229404, | |||
2313518, | |||
2387021, | |||
2410447, | |||
2434860, | |||
2480918, | |||
248725, | |||
2487690, | |||
2497360, | |||
254178, | |||
2543561, | |||
2571613, | |||
2709304, | |||
2796666, | |||
3096587, | |||
3476348, | |||
3479741, | |||
3660903, | |||
3678589, | |||
3809352, | |||
3834043, | |||
4098009, | Sep 17 1976 | Easel assembly | |
4226029, | Feb 09 1979 | HACH ASSOCIATES, INC | Reflective tracing device |
4265624, | Jan 15 1980 | Magnetic tracing stand | |
4313589, | Dec 07 1979 | Reading desk | |
4379364, | Jul 29 1980 | Artist's freehand sketching device | |
4457717, | Apr 05 1982 | Apparatus to help learning pictorial art | |
4498238, | Sep 30 1982 | DRAWING DIRECTIONS, INC | Transparent perspective tracing board |
4681291, | Jun 26 1986 | Book holder | |
4718630, | Nov 21 1986 | Portable reading in bed book holder and lap writing surface | |
4894756, | Sep 23 1988 | LAI, KUOI-TSAI | Diversified bookrest |
491160, | |||
496558, | |||
497317, | |||
5016357, | Sep 11 1987 | Artwork analysis device | |
508468, | |||
5100325, | Dec 10 1990 | Apparatus and method for creating perspective drawings | |
5217376, | Mar 20 1992 | Drawing aid | |
544642, | |||
922610, | |||
9409, | |||
D271501, | Aug 31 1981 | Wright Line Inc. | Adjustable support surface for holding reference or printout material |
D346908, | Dec 21 1992 | Picture frame | |
GB2006120, |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Apr 13 1993 | BRECH, JAMES MATHEW | NICHOLL, DANNY BRUCE | ASSIGNMENT OF ASSIGNORS INTEREST | 006513 | /0600 | |
Apr 14 1993 | Drawing Directions, Inc. | (assignment on the face of the patent) | / | |||
Feb 14 1996 | NICHOLL, DANNY BRUCE | DRAWING DIRECTIONS, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007831 | /0778 |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |