Patent
   D246449
Priority
Feb 23 1976
Filed
Feb 23 1976
Issued
Nov 22 1977
Expiry
Nov 22 1991
Assg.orig
Entity
unknown
19
2
n/a
The ornamental design for a portable ramp for wheelchairs, as shown and described.

FIG. 1 is a perspective view of a portable ramp for wheelchairs showing my new design in a folded condition;

FIG. 2 is a top plan view thereof in open condition;

FIG. 3 is a bottom perspective view thereof in open condition;

FIG. 4 is a top perspective view thereof in operative condition; and

FIG. 5 is a perspective view thereof in folded condition and attached to the rear of a wheelchair.

The broken lines in FIGS. 4 and 5 of the drawing are for illustrative purposes only.

Poe, Alice M.

Patent Priority Assignee Title
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
7043789, Apr 28 2004 MORRISH, PETER GEOFFREY ALAN; MORRISH, PRISCILLA DOROTHY; MORRISH, MARK PETER; MORRISH, KENNETH GEORGE; MORRISH, GERALD DAVID Foldable ramp and method for its manufacture
7526826, Apr 06 2006 Homecare Products, Inc. Folding ramp
7661171, Jan 15 2008 HARBOR FREIGHT TOOLS USA, INC Ramp with vehicle attachment
9663014, Jan 29 2016 AISIN TECHNICAL CENTER OF AMERICA, INC. Removable running board and loading ramp with rotating width adjustment
D291619, Jul 25 1985 Three wheeler ramp
D297064, Jan 08 1985 Metko, Inc. Portable loading ramp
D299776, Oct 14 1986 Portable ramp
D331128, Aug 15 1990 Loading/unloading attachment for pickup trucks
D347096, Jun 18 1993 Hinged dock plate for loading/unloading trucks
D494336, Aug 04 2003 INVACARE AUSTRALIA PTY LTD Foldup wheel chair ramp with guide rails
D494726, Feb 04 2003 INVACARE AUSTRALIA PTY LTD Foldup wheel chair ramp
D521710, Jan 26 2004 Portable ramp
D599062, Jun 29 2007 Vermont Juvenile Furniture Mfg., Inc. Pet ramp
D602673, Oct 01 2008 Prairie View Industries, Inc. Wheelchair ramp base
D647273, Sep 15 2010 Portable wheel ramp
ER4449,
ER4555,
Patent Priority Assignee Title
3517791,
3756440,
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