Patent
   D949438
Priority
Jan 19 2020
Filed
Jan 19 2020
Issued
Apr 19 2022
Expiry
Apr 19 2037
Assg.orig
Entity
unknown
0
8
n/a
The ornamental design for a ladder, as shown and described.

FIG. 1 is a perspective view of a ladder showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is an enlarged view of portion 8 of FIG. 1; and,

FIG. 9 is an enlarged view of portion 9 of FIG. 1.

The broken lines in the drawings illustrate the portions of the ladder which form no part of the claimed design.

Ze, Huiyue, Yin, Xiaowei, Duan, Bingkun

Patent Priority Assignee Title
Patent Priority Assignee Title
10801261, Jun 14 2016 WING ENTERPRISES, INC Ladders, ladder hinges and related methods
4182431, Mar 13 1978 WEST ONE BANK, UTAH Combination extension and step ladder rungs therefor
4376470, Nov 07 1980 WEST ONE BANK, UTAH Fiberglass ladder
6220389, Mar 04 1997 Krause-Werk GmbH & Co. KG Folding ladder
7364017, Nov 11 2002 WING ENTERPRISES, INC Combination ladder, ladder components and methods of manufacturing same
20170356244,
D908924, May 14 2019 WERNER CO Multipurpose ladder
D914912, Apr 18 2019 Ladder with hinged rungs operable to collapse on multiple axes
////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 10 2020YIN, XIAOWEIAUKEY TECHNOLOGY CO , LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0515510837 pdf
Jan 11 2020DUAN, BINGKUNAUKEY TECHNOLOGY CO , LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0515510837 pdf
Jan 11 2020ZE, HUIYUEAUKEY TECHNOLOGY CO , LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0515510837 pdf
Jan 19 2020Aukey Technology Co., Ltd(assignment on the face of the patent)
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule