Combined dental lip and tongue retractor

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Description

FIG. 1 is a perspective view of a combined dental lip and tongue retractor, showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a side elevation view thereof, from another angle; and,

FIG. 6 is a side elevation view thereof; from another angle.

Claims

The ornamental design for a combined dental lip and tongue 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
4671260 June 9, 1987 Buckner
4889491 December 26, 1989 Krygier et al.
5037298 August 6, 1991 Hickham
5115799 May 26, 1992 McGann
5730597 March 24, 1998 Luttrell
5873718 February 23, 1999 Sullivan
6102701 August 15, 2000 Engeron
Patent History
Patent number: D496995
Type: Grant
Filed: Dec 6, 2002
Date of Patent: Oct 5, 2004
Assignee: Discus Dental Impressions, Inc. (Culver City, CA)
Inventor: William Dorfman (Granada Hills, CA)
Primary Examiner: Stella Reid
Attorney, Agent or Law Firm: Christie, Parker & Hale, LLP
Application Number: 29/172,164
Classifications
Current U.S. Class: Speculum, Dilator Or Retractor (25) (D24/135)
International Classification: 2402;