Patent
   D444421
Priority
Oct 03 2000
Filed
Oct 03 2000
Issued
Jul 03 2001
Expiry
Jul 03 2015
Assg.orig
Entity
unknown
19
4
n/a
The ornamental design for a electric 4-wheel wheelchair, as shown and described.

FIG. 1 is a perspective view of a electric 4-wheel wheelchair showing my new design;

FIG. 2 is a top plain view thereof;

FIG. 3 is a bottom plain view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear elevational view thereof.

Cheng, Min-Hsiung

Patent Priority Assignee Title
D454814, Sep 10 2001 Tonic Fitness Technology, Inc. Electric medical scooter
D460028, Oct 25 2001 Kwang Yang Motor Co., Ltd. Electric mobility scooter
D479496, Nov 07 2002 GRAND HALL ENTERPRISE CO , LTD Electric mobility scooter
D488409, Sep 02 2003 Kwang Yang Motor Co., Ltd. Electric mobility scooter
D489859, Jun 18 2002 Kumalift Engineering Laboratory Co., Ltd. Chair for stair elevating lift
D490753, Sep 02 2003 Kwang Yang Motor Co., Ltd. Electric mobility scooter
D491494, Oct 22 2002 Ulrich Alber GmbH Chassis for a wheel chair
D494512, Oct 20 2003 Merits Health Products Co., Ltd. Electric motorcycle
D498183, Mar 27 2003 Specmat Limited Base unit for a wheelchair
D509775, Oct 26 2004 Electric scooter
D510893, Oct 26 2004 Electric scooter
D517456, Feb 16 2005 Kwang Yang Motor Co., Ltd. Electric mobility scooter
D530650, Oct 08 2004 HONDA MOTOR CO , LTD Electric wheelchair
D531094, Jun 08 2005 Electric Mobility Corporation Personal mobility vehicle
D531937, Nov 09 2004 SHANGHAI LERADO DAILY ARTICLE CO , LTD Mobility vehicle
D765559, Mar 06 2015 Perfect Union Co., Ltd. Foldable motorized vehicle
D978029, Jul 01 2022 Electric scooter
D981917, Aug 20 2020 Electric scooter
D984253, Jun 09 2021 ANGELLUN FUZHOU PROPULSION TECHNOLOGY CO , LTD Electric caster
Patent Priority Assignee Title
5238082, Apr 26 1991 Ranger All Season Corp. Personal mobility vehicle
D325892, Oct 02 1989 Everest & Jennings, Inc. Electrically powered three wheeled vehicle
D401190, Sep 30 1996 Motor scooter
D403279, Oct 08 1997 Electric medical scooter
Executed onAssignorAssigneeConveyanceFrameReelDoc
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule