Patent
   D972170
Priority
Mar 31 2022
Filed
Mar 31 2022
Issued
Dec 06 2022
Expiry
Dec 06 2037
Assg.orig
Entity
unknown
4
4
n/a
The ornamental design for a step stool, as shown and described.

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

FIG. 2 is a rear and bottom perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a perspective view of step stool in use state.

The broken lines in the figures illustrate portions of the step stool that form no part of the claimed design.

Tan, Tao

Patent Priority Assignee Title
D984532, Feb 03 2021 One Five Three Enterprises LLC Learning standing tower with reversible white and black board
ER2945,
ER3916,
ER5930,
Patent Priority Assignee Title
20060070801,
212471,
D820472, Sep 21 2016 Step stool
D935208, Jan 07 2021 Step stool
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 25 2022TAN, TAOWENZHOU LISHENG IMPORT AND EXPORT CO ,LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0594510221 pdf
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