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Patent
D640441
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Priority
Jun 23 2010
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Filed
Jun 23 2010
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Issued
Jun 21 2011
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Expiry
Jun 21 2025
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Assg.orig
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Entity
unknown
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0
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11
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n/a
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The ornamental design for a door lifting device, as shown and described.
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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 |
1694173, |
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|
|
2989286, |
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|
4834339, |
Jan 14 1988 |
CLARKE, GARY W |
Hydraulic jack system |
4846443, |
Jul 13 1988 |
Harvey C., Collins |
Floor covering installation tool |
5048795, |
Aug 06 1990 |
IOWA AMERICAN FIRE FIGHTING EQUIPMENT CO A CORPORATION OF IA |
Forcible access tool |
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 |
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Bar for lifting heavy or panel like objects |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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