Dental impression tray

Description

FIG. 1 is a front perspective view of a dental impression tray showing our new design;

FIG. 2 is a top plan view thereof, the bottom plan view being a mirror image thereof;

FIG. 3 is a left side elevational view thereof, the right side elevational view being a mirror image thereof;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a front elevational view thereof;

FIG. 6 is a top left perspective view of a second embodiment of the dental impression tray;

FIG. 7 is a top plan view of FIG. 6, the bottom plan view being a mirror image of FIG. 6;

FIG. 8 is a left side elevational view of FIG. 6;

FIG. 9 is a right side elevational view of FIG. 6;

FIG. 10 is a front elevational view of FIG. 6; and,

FIG. 11 is a rear elevational view of FIG. 6.

Referenced Cited
U.S. Patent Documents
D266269 September 21, 1982 Werrin
D277605 February 12, 1985 Werrin
D302463 July 25, 1989 Wolfe
2933811 April 1960 Lifton
4146963 April 3, 1979 Schreinemakers
4432728 February 21, 1984 Skarky
4445854 May 1, 1984 Bekey et al.
4790752 December 13, 1988 Cheslak
5316474 May 31, 1994 Robertson
Foreign Patent Documents
538242 March 1957 CAX
824673 July 1949 DEX
3519886 February 1986 DEX
546434 July 1956 ITX
Patent History
Patent number: D383845
Type: Grant
Filed: Apr 8, 1996
Date of Patent: Sep 16, 1997
Assignee: Confi-Dental Products Company (Louisville, CO)
Inventors: Herman B. Mitchell (Lakewood, CO), Sheldon M. Newman (Aurora, CO), Sharon A. Lutton (Lafayette, CO)
Primary Examiner: Kay H. Chin
Attorney: Donald W. Margolis
Application Number: 0/52,894
Classifications
Current U.S. Class: Mold, Model Or Form (48) (D24/181)
International Classification: 2403;