Patent
   D650600
Priority
Mar 31 2011
Filed
Mar 31 2011
Issued
Dec 20 2011
Expiry
Dec 20 2025
Assg.orig
Entity
unknown
6
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
D743708, Oct 23 2014 Stool
D745785, Oct 24 2014 Stool
D749864, Oct 23 2014 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 0260520362 pdf
Mar 31 2011Hsiang Fu Chia Enterprise Co., Ltd.(assignment on the face of the patent)
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