Double lock hair extension system

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Description

FIG. 1 is a perspective view of a double lock hair extension system showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a cross-sectional view thereof.

Claims

The ornamental design for a double lock hair extension system, as shown and described.

Referenced Cited
U.S. Patent Documents
5107867 April 28, 1992 Barrington
5894846 April 20, 1999 Gang
6688315 February 10, 2004 Harrison
6820625 November 23, 2004 Park
6938624 September 6, 2005 Arroyo et al.
7610921 November 3, 2009 Gold
7614403 November 10, 2009 Nomura
8944076 February 3, 2015 Doubt
20050098190 May 12, 2005 Kim
20100154815 June 24, 2010 Chang
Patent History
Patent number: D741549
Type: Grant
Filed: Apr 30, 2014
Date of Patent: Oct 20, 2015
Inventor: Jin Yong Lee (Seoul)
Primary Examiner: Zenia Bennett
Application Number: 29/489,549
Classifications
Current U.S. Class: Wig Or Hairpiece (D28/92)