Combined dental lip and tongue retractor
Dorfman October 5, 2
U.S. patent number D496,995 [Application Number D/172,164] was granted by the patent office on 2004-10-05 for combined dental lip and tongue retractor. This patent grant is currently assigned to Discus Dental Impressions, Inc.. Invention is credited to William Dorfman.
| United States Patent | D496,995 |
| Dorfman | October 5, 2004 |
Combined dental lip and tongue retractor
Claims
The ornamental design for a combined dental lip and tongue retractor, as shown and described.
| Inventors: | Dorfman; William (Granada Hills, CA) |
|---|---|
| Assignee: | Discus Dental Impressions, Inc.
(Culver City, CA) |
| Family ID: | 32926203 |
| Appl. No.: | D/172,164 |
| Filed: | December 6, 2002 |
| Current U.S. Class: | D24/135 |
| Current CPC Class: | A61C5/90 20170201; A61B1/24 20130101 |
| Current International Class: | A61B1/32 20060101; 2402 |
| Field of Search: | ;D24/135 ;433/37,38,93,94,138,140 ;600/201,208,215,237,239,242 |
References Cited [Referenced By]
U.S. Patent Documents
| 1170333 | February 1916 | Reyer |
| 1389436 | August 1921 | Cameron |
| 3241550 | March 1966 | Gelarie |
| 3916880 | November 1975 | Schroer |
| 4002162 | January 1977 | Weisser |
| 4019255 | April 1977 | Cohen et al. |
| 4179815 | December 1979 | Hoffman |
| 4200089 | April 1980 | Inoue |
| 4259067 | March 1981 | Nelson |
| 4511329 | April 1985 | Diamond |
| 4671260 | June 1987 | Buckner |
| 4889491 | December 1989 | Krygier et al. |
| 5037298 | August 1991 | Hickham |
| 5115799 | May 1992 | McGann |
| 5730597 | March 1998 | Luttrell |
| 5873718 | February 1999 | Sullivan |
| 6102701 | August 2000 | Engeron |
Attorney, Agent or Firm: Christie, Parker & Hale, LLP
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.
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