Patent
   D397228
Priority
Jun 05 1997
Filed
Jun 05 1997
Issued
Aug 18 1998
Expiry
Aug 18 2012
Assg.orig
Entity
unknown
8
15
n/a
The ornamental design for a step ladder, as shown and described.

FIG. 1 is perspective view of a first embodiment of the invention;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof, being the mirror of the right side view; and,

FIG. 5 is a top view thereof;

FIG. 6 is a perspective view of a second embodiment of the invention;

FIG. 7 is a front view thereof;

FIG. 8 is a rear view thereof;

FIG. 9 is a left side view thereof, being the mirror of the right side view; and,

FIG. 10 is a top view thereof; and,

FIG. 11 is a perspective view of a third embodiment of the present invention, the top, left, and rear being substantially consistent with the top, left, and rear of the step ladder of the first embodiment.

Bell, Randall, Herbst, Walter, Horne, Eric C., Heald, Edward E.

Patent Priority Assignee Title
6347687, Sep 16 1999 PT INDAL ALUMINUM INDUSTRY TBK Compact collapsible step ladder
D467667, Oct 06 1999 PT INDAL ALUMINUM INDUSTRY TBK Portion of step ladder
D564674, Jan 12 2007 1244311 B C LTD Step stool
D564675, Jan 12 2007 1244311 B C LTD Step stool
D564676, Mar 02 2007 1244311 B C LTD Step stool with tray
D564677, Mar 02 2007 1244311 B C LTD Step stool tray
ER4284,
ER662,
Patent Priority Assignee Title
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4485892, Jul 26 1983 Cosco, Inc.; COSCO, INC Platform stool
4557350, Mar 20 1985 Folding chair capable of converting into step ladder
4653713, Jul 14 1986 LADDER CADDY, INC , 12019 GOODMAN, OVERLAND PARK, KS , 66213, A CORP OF KS ; LADDER CADDY, L P , 12019 GOODMAN, OVERLAND PARK, KS , 66213, A LIMITED PARTNERSHIP OF KS Ladder top tool tray mounting
4706918, May 01 1987 WILSON TRADE LIMITED Ladder accessory
4730802, Aug 26 1987 Detachable tray for stepladders
4979590, Jan 11 1989 BAILEY ALUMINUM PRODUCTS PTY LTD Ladder platform
5370263, Feb 20 1992 Harry L., Brown; Lyle L., Tatroe Ladder caddy
5421429, May 04 1994 Ladder with safety feet
5542535, Aug 09 1995 Square Peg Enterprises, Inc. Fluorescent lamp carrier and fluorescent lamp disposal apparatus
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