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Patent
D602673
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Priority
Oct 01 2008
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Filed
Oct 01 2008
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Issued
Oct 20 2009
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Expiry
Oct 20 2023
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Assg.orig
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Entity
unknown
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8
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29
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n/a
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The ornamental design for a wheelchair ramp base, as shown and described.
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FIG. 1 is a front perspective view of the wheelchair ramp base;
FIG. 2 is a front end view of the wheelchair ramp base of FIG. 1;
FIG. 3 is a rear end view of the wheelchair ramp base of FIG. 1;
FIG. 4 is a right side elevational view of the wheelchair ramp base of FIG. 1;
FIG. 5 is a left side elevational view of the wheelchair ramp base of FIG. 1; and
FIG. 6 is a top view of the wheelchair ramp base of FIG. 1; and,
FIG. 7 is a bottom view of the wheelchair ramp base of FIG. 1.
The broken line showing of elements in the figures is included for the purpose of illustrating environment and forms no part of the claimed design.
Allen, Richard D.
Patent |
Priority |
Assignee |
Title |
11834838, |
May 06 2019 |
|
Wheelchair ramp |
7854032, |
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SCEPTER US HOLDING COMPANY |
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8332981, |
Jan 07 2011 |
Oregon Health & Science University |
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D646043, |
Jan 07 2011 |
Oregon Health Science University |
Bicycle gutter |
D647759, |
Jul 12 2010 |
A-MAZE-N PRODUCTS, INC ; Dansons US, LLC |
Smoking device |
D649399, |
Mar 15 2011 |
A-MAZE-N PRODUCTS, INC ; Dansons US, LLC |
Smoking device |
D702998, |
Mar 11 2013 |
|
Food holder |
D973995, |
Mar 11 2021 |
|
Wheelchair support platform |
Patent |
Priority |
Assignee |
Title |
4478549, |
May 20 1983 |
PDS, INC |
Foldable loading ramp for all terrain/recreational vehicles and the like |
4528711, |
Jul 22 1983 |
|
Portable wheel chair ramp |
4817224, |
Sep 08 1988 |
|
Adjustable doorway ramp apparatus |
5176361, |
Mar 25 1991 |
|
Vehicle wheel gripper |
5211260, |
Nov 15 1991 |
|
Collapsible ladder |
5287579, |
Sep 29 1992 |
|
Loading and bridge ramp for pick-up trucks |
5325558, |
Oct 04 1993 |
|
Wheelchair ramp apparatus |
5347672, |
Dec 31 1992 |
Homecare Products, Inc. |
Portable, stowable knock-down ramp |
5547041, |
Sep 21 1993 |
METALAST, S A |
Ladder |
5903943, |
Feb 06 1997 |
Bluff Manufacturing, Inc. |
Modular dockboard |
5933898, |
Sep 02 1997 |
|
Portable wheelchair ramp |
5938397, |
Jan 29 1999 |
SCHOUEST, GINGER |
Loading and unloading ramp for pickup trucks trailers and vans |
6009587, |
Oct 11 1996 |
|
Folding ramp |
6119634, |
Jan 13 1999 |
PETSTEP INTERNATIONAL, INC |
Combination pet ramp and utility table |
6139249, |
Sep 20 1999 |
|
Truck box ramp |
6269508, |
Sep 15 1999 |
|
Apparatus for allowing wheeled negotiation of an obstacle |
6430769, |
Oct 27 2000 |
PRAIRIE VIEW INDUSTRIES, INC , A NEBRASKA CORPORATION |
Wheelchair ramp with keyway joint |
6463613, |
Jan 15 2002 |
|
Portable ramp |
7430775, |
Dec 13 2002 |
Prairie View Industries, Inc. |
Vehicle ramp |
7533433, |
May 04 2007 |
Lift-U, Division of Hogan Mfg., Inc. |
Counterbalance assembly for a fold out ramp |
884847, |
|
|
|
D246449, |
Feb 23 1976 |
|
Portable ramp for wheelchairs |
D297064, |
Jan 08 1985 |
Metko, Inc. |
Portable loading ramp |
D299776, |
Oct 14 1986 |
|
Portable ramp |
D521710, |
Jan 26 2004 |
|
Portable ramp |
D523610, |
Mar 25 2004 |
|
Transport holder for cylindrical tanks |
DE2106972, |
|
|
|
GB1038445, |
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GB2259903, |
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Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a