Safety device for ladder

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Description

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 : Folded

This design is a new, original and ornamental design for a safety device for ladder, and reference is made to the accompanying reproductions forming a part thereof; we claim the ornamental design for a safety device for ladder as shown and described.

Claims

The ornamental design for a safety device for ladder, as shown and described.

Referenced Cited
U.S. Patent Documents
4726446 February 23, 1988 Perbix
5682960 November 4, 1997 Mobley
D669195 October 16, 2012 Vargas
Patent History
Patent number: D971441
Type: Grant
Filed: Apr 5, 2021
Date of Patent: Nov 29, 2022
Inventors: Soongyu Park (Paju-si), Sungsuk Ha (Paju-si)
Primary Examiner: Gino Colan
Application Number: 35/512,693
Classifications
Current U.S. Class: Element Of Attachment (13) (D25/68)