Lip retractor

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Description

FIG. 1 is a front view of the lip retractor;

FIG. 2 is a rear view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a side view thereof; and,

FIG. 5 is a perspective view thereof.

Claims

The ornamental design for a lip retractor, as shown and described.

Referenced Cited
U.S. Patent Documents
D141060 May 1945 Steele
6514176 February 4, 2003 Norton
D496995 October 5, 2004 Dorfman
D504721 May 3, 2005 Dorfman
D568994 May 13, 2008 Kumar et al.
D615203 May 4, 2010 Hirsch et al.
20050090835 April 28, 2005 Deal et al.
20100119989 May 13, 2010 Raybuck
Patent History
Patent number: D634841
Type: Grant
Filed: Jun 24, 2010
Date of Patent: Mar 22, 2011
Assignee: Pac-dent International, Inc. (Walnut, CA)
Inventor: Bo Tao (Chino, CA)
Primary Examiner: Bridget L Eland
Attorney: Zhenhui Huang
Application Number: 29/364,547