Escape ladder

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Description

FIG. 1 is a front, top perspective view of an escape ladder, showing my new design;

FIG. 2 is a rear, 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 an enlarged top view thereof;

FIG. 8 is an enlarged bottom view thereof;

FIG. 9 is an enlarged view of detail “9” identified in FIG. 1;

FIG. 10 is an enlarged view of detail “10” identified in FIG. 2;

FIG. 11 is another perspective view of the escape ladder, shown in an alternative position; and,

FIG. 12 is another perspective view thereof.

The dashed broken lines in the figures illustrate portions of the escape ladder that form no part of the claimed design. The dash-dot-dash broken lines in FIGS. 1, 2, 9 and 10 depict the bounds of the enlarged views and form no part of the claimed design.

Claims

The ornamental design for an escape ladder, as shown and described.

Referenced Cited
U.S. Patent Documents
D370736 June 11, 1996 Douglas et al.
6530455 March 11, 2003 Arnette
6651776 November 25, 2003 Montecer, Jr.
D497007 October 5, 2004 Weber
D613425 April 6, 2010 Wu
8074771 December 13, 2011 Nickelson
D896991 September 22, 2020 Clark, Jr.
20040031646 February 19, 2004 Huang
Patent History
Patent number: D1050493
Type: Grant
Filed: Aug 1, 2024
Date of Patent: Nov 5, 2024
Inventor: Yahui Du (Zhejiang)
Primary Examiner: Gino Colan
Application Number: 29/955,387
Classifications
Current U.S. Class: Ladder (D25/64)