Patent
   D640441
Priority
Jun 23 2010
Filed
Jun 23 2010
Issued
Jun 21 2011
Expiry
Jun 21 2025
Assg.orig
Entity
unknown
0
11
n/a
The ornamental design for a door lifting device, as shown and described.

FIG. 1 is a perspective view of a door lifting device showing my design;

FIG. 2 is a perspective view with the platform lifted up the guide posts thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a rear side elevation view thereof;

FIG. 5 is a front elevation view with the platform lifted up the guide post thereof; and,

FIG. 6 is a top plan view thereof.

Cairns, Laurence Cecil Yates

Patent Priority Assignee Title
Patent Priority Assignee Title
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4834339, Jan 14 1988 CLARKE, GARY W Hydraulic jack system
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6079696, Sep 21 1998 Non power tool for mounting doors
6296230, Mar 31 2000 Door lifting device
6497399, May 28 2002 Compact panel lifter
20100044657,
D595472, Jan 30 2008 Kabushiki Kaisha Ogura Machine to pry open building door
D602671, May 09 2007 Bar for lifting heavy or panel like objects
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