PTO
Wrapper
PDF
|
Dossier
Espace
Google
|
|
Patent
D299776
|
Priority
Oct 14 1986
|
Filed
Oct 14 1986
|
Issued
Feb 07 1989
|
Expiry
Feb 07 2003
|
|
Assg.orig
|
|
Entity
unknown
|
10
|
4
|
n/a
|
|
|
The ornamental design for a portable ramp, as shown and described.
|
FIG. 1 is a top perspective view of a portable ramp showing my new design
in a folded condition;
FIG. 2 is a side elevational view of FIG. 1;
FIG. 3 is a bottom plan view of FIG. 1;
FIG. 4 is a top perspective view of the portable ramp in open condition;
and
FIG. 5 is a bottom plan view of FIG. 4.
Canterberry, Edward
Patent |
Priority |
Assignee |
Title |
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 |
7661171, |
Jan 15 2008 |
HARBOR FREIGHT TOOLS USA, INC |
Ramp with vehicle attachment |
D316771, |
May 18 1989 |
|
Vehicle loading ramp |
D382676, |
Oct 02 1995 |
|
Folding pet ramp |
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 |
D527160, |
Apr 03 2005 |
|
Easy vehicle turnaround |
D599062, |
Jun 29 2007 |
Vermont Juvenile Furniture Mfg., Inc. |
Pet ramp |
D602673, |
Oct 01 2008 |
Prairie View Industries, Inc. |
Wheelchair ramp base |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a