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