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Patent
D949438
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Priority
Jan 19 2020
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Filed
Jan 19 2020
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Issued
Apr 19 2022
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Expiry
Apr 19 2037
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Assg.orig
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Entity
unknown
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1
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8
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n/a
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The ornamental design for a ladder, as shown and described.
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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 |
ER7037, |
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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, |
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D908924, |
May 14 2019 |
WERNER CO |
Multipurpose ladder |
D914912, |
Apr 18 2019 |
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Ladder with hinged rungs operable to collapse on multiple axes |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a