Patent
   D650185
Priority
Mar 31 2011
Filed
Mar 31 2011
Issued
Dec 13 2011
Expiry
Dec 13 2025
Assg.orig
Entity
unknown
13
9
n/a
The ornamental design for a step stool, as shown and described.

FIG. 1 is a front perspective view of a step stool showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Hsu, Chiung Yueh

Patent Priority Assignee Title
11382432, Sep 13 2019 Elbee Pty Ltd Step stool with tread
D679923, Jan 10 2011 Steelcase Inc Base for seating unit
D689723, Jan 10 2011 Steelcase, Inc. Base for seating unit
D690143, Jan 10 2011 Steelcase, Inc. Base for seating unit
D729529, Apr 02 2014 HASKELL OFFICE Seating unit with base
D729530, Jul 28 2014 HASKELL OFFICE Seating unit with base
D729561, Apr 02 2014 HASKELL OFFICE Base
D729564, Apr 02 2014 HASKELL OFFICE Seating unit
D738657, Jul 25 2014 HASKELL OFFICE Seating unit
D793755, Oct 23 2015 Combination chair with desk
D966726, Jan 27 2021 INTER IKEA SYSTEMS B.V.; INTER IKEA SYSTEMS B V Step stool
ER190,
ER9265,
Patent Priority Assignee Title
3559761,
3599750,
184390,
216508,
D244494, Feb 23 1968 SECURITY PACIFIC BUSINESS CREDIT INC , A DE CORP Step stool
D262419, Dec 31 1979 JUDD PATRICIA ANN Combined step and stool
D524069, Feb 16 2005 Seville Classics, Inc. Step stool
D570125, Mar 27 2006 Cramer LLC Step stool
D640878, Feb 16 2011 Wheeled step stool
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 30 2011HSU, CHIUNG YUEHHSIANG FU CHIA ENTERPRISE CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0260520380 pdf
Mar 31 2011Hsiang Fu Chia Enterprise Co., Ltd.(assignment on the face of the patent)
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