Dental impression tray

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Description

FIG. 1 is a right side elevational view of a dental impression tray showing my new design, the left side being identical in appearance;

FIG. 2 is a top perspective view thereof;

FIG. 3 is a bottom perspective view thereof;

FIG. 4 is a top perspective view of an alternate embdiment thereof;

FIG. 5 is a bottom perspective view thereof; and

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

Referenced Cited
U.S. Patent Documents
D212848 December 1968 Westlund
D260811 September 15, 1981 Kitchenman
D278274 April 2, 1985 Levine
310407 January 1885 Garner
900541 October 1908 Holmes
1763553 June 1930 Dennis
3228107 January 1966 Zandberg
3234942 February 1966 Simor
4003132 January 18, 1977 Beck
Other references
  • S. S. White Dental Mfg. Co. Catalogue, Mar. 1915-Upper Impression Tray, p. 1, pamphlet LN.
Patent History
Patent number: D289795
Type: Grant
Filed: Feb 7, 1984
Date of Patent: May 12, 1987
Inventor: Bror A. E. Andersson (182 46 Enebyberg)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Young & Thompson
Application Number: 6/577,744
Classifications
Current U.S. Class: D24/10