Ladder cord for window blind

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Description

FIG. 1 is a perspective view of a ladder cord for window blind;

FIG. 2 is a front view thereof, the rear side being a mirror image;

FIG. 3 is a right side view thereof, the left side being a mirror image;

FIG. 4 is a perspective view thereof shown in a released position in use on a window blind; and,

FIG. 5 is a perspective view of the ladder cord for window blind of FIG. 1 in a lifted position in use on a window blind.

The top and bottom ends of the ladder cord shown in broken line depict portions of the ladder cord for window blind that form no part of the claimed design. The broken lines showing a window blind in FIGS. 4 and 5 depict environment and form no part of the claimed design.

Claims

The ornamental design for a ladder cord for window blind, as shown and described.

Referenced Cited
U.S. Patent Documents
D98260 January 1936 Kuyper
2031981 February 1936 Runge
2068977 January 1937 Dodge
D103745 March 1937 Speirs
2123817 July 1938 Harlow
2206698 July 1940 Hendley
2260726 October 1941 Rosenbaum
2290634 July 1942 Clark, Jr.
D133609 September 1942 Black
2569171 September 1951 Hunter
2632506 March 1953 Brooks
2728108 December 1955 Schlegel, Jr.
2768419 October 1956 Rasero
2856324 October 1958 Janowski
4602456 July 29, 1986 Tatro
4628979 December 16, 1986 Hsu
4945971 August 7, 1990 Ivarsson et al.
5727613 March 17, 1998 Judkins
D479078 September 2, 2003 Chen
D518988 April 18, 2006 Strand et al.
D693599 November 19, 2013 Dekker et al.
20070163730 July 19, 2007 Liang
20100319859 December 23, 2010 Tsai
Patent History
Patent number: D783312
Type: Grant
Filed: Jan 24, 2014
Date of Patent: Apr 11, 2017
Assignee: NIEN MADE ENTERPRISE CO., LTD. (Taichung)
Inventor: De-Jun Zhang (Taichung)
Primary Examiner: Karen S Acker
Assistant Examiner: Wendy Arminio
Application Number: 29/480,230
Classifications
Current U.S. Class: D6/581