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Patent
D979098
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Priority
Dec 24 2020
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Filed
Apr 12 2021
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Issued
Feb 21 2023
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Expiry
Feb 21 2038
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Assg.orig
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Entity
unknown
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0
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3
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n/a
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The ornamental design for a safety device for ladder, as shown and described.
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1. Safety device for ladder
1.1 : Perspective
1.2 : Front
1.3 : Back
1.4 : Left
1.5 : Right
1.6 : Top
1.7 : Bottom
1.8 : Reference
1.9 : Folded
The broken lines on the top and bottom edge of the safety device for ladder shown in Figures 1.1-1.3 and 1.9 represent claimed stitching.
The broken lines shown in Figure 1.8 are for the purpose of illustrating environment and form no part of the claimed design.
Park, SoonGyu, Ha, Sungsuk
Patent |
Priority |
Assignee |
Title |
Patent |
Priority |
Assignee |
Title |
4726446, |
Mar 16 1987 |
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Protection cover for ladder |
5682960, |
Oct 18 1996 |
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Ladder jacket |
D669195, |
Aug 04 2010 |
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Protective ladder cover |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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Maintenance Fee Events |
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