Dental impression tray

- TP Orthodontics, Inc.
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Description

FIG. 1 is a top perspective view of a dental impression tray showing my new dsign and illustrating its use with respect to a model of the upper arch of a person shown in phantom;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a left side elevational view of the dental impression tray of my new design, the right side being identical in appearance;

FIG. 4 is a bottom perspective view of an alternate embodiment for use on the lower arch of a person and showing in phantom a model of a lower arch;

FIG. 5 is a top perspective view thereof; and,

FIG. 6 is a left side elevational view thereof, the right side being identical in appearance.

Referenced Cited
U.S. Patent Documents
D247916 May 16, 1978 Kesling
D277605 February 12, 1985 Werrin
D289795 May 12, 1987 Andersson
D358889 May 30, 1995 Wong
D403771 January 5, 1999 Werrin
5297960 March 29, 1994 Burns
5316474 May 31, 1994 Robertson
5513985 May 7, 1996 Robertson
Other references
  • TP Orthodontics, Inc. Product Catalog (1995), pp. 161-163.
Patent History
Patent number: D433138
Type: Grant
Filed: Dec 17, 1999
Date of Patent: Oct 31, 2000
Assignee: TP Orthodontics, Inc. (Westville, IN)
Inventor: Peter C. Kesling (LaPorte, IN)
Primary Examiner: Antoine Duval Davis
Attorney: Lloyd L. Zickert
Application Number: 0/115,794
Classifications
Current U.S. Class: Mold, Model Or Form (48) (D24/181)
International Classification: 2499;