Retractor

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Description

FIG. 1 is a perspective view of a dental lip retractor;

FIG. 2 is a bottom plan view of the retractor of FIG. 1;

FIG. 3 is a side elevation view of the retractor of FIG. 1;

FIG. 4 is a top plan view of the retractor of FIG. 1;

FIG. 5 is a side elevation view of the retractor of FIG. 1 from another angle; and,

FIG. 6 is a side elevation view of the retractor of FIG. 1 from another angle.

Claims

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

Referenced Cited
U.S. Patent Documents
1170333 February 1916 Reyer
1389436 August 1921 Cameron
3241550 March 1966 Gelarie
3916880 November 1975 Schroer
4002162 January 11, 1977 Weisser
4019255 April 26, 1977 Cohen et al.
4179815 December 25, 1979 Hoffman
4200089 April 29, 1980 Inoue
4259067 March 31, 1981 Nelson
4511329 April 16, 1985 Diamond
4592344 June 3, 1986 Scheer
4671260 June 9, 1987 Buckner
4889491 December 26, 1989 Krygier et al.
5037298 August 6, 1991 Hickman
5115799 May 26, 1992 McGann
5730597 March 24, 1998 Luttrel
5873718 February 23, 1999 Sullivan
6102701 August 15, 2000 Engeron
20020022211 February 21, 2002 Horiguchi
Patent History
Patent number: D504721
Type: Grant
Filed: Mar 30, 2004
Date of Patent: May 3, 2005
Assignee: Discus Dental Impressions, Inc. (Culver City, CA)
Inventor: William Dorfman (Granada Hills, CA)
Primary Examiner: Ian Simmons
Attorney: Christie, Parker & Hale, LLP
Application Number: 29/202,449