Combined dowel pin and parting guide for use in the construction of dental prosthetics

Description

FIG. 1 is a front elevational view of a combined dowel pin and parting guide for use in the construction of dental prosthetics showing our new design;

FIG. 2 is a right side elevational view thereof, the left side being a mirror image of that shown;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D292124 September 29, 1987 Roden et al.
1780117 October 1930 Craigo
3466750 September 1969 Timberlake
3470614 October 1969 Kelly
3798772 March 1974 Eberhard
3937773 February 10, 1976 Huffman
4078310 March 14, 1978 Horger, Jr.
4172867 October 30, 1979 Devault
4238189 December 9, 1980 Tirino
4363625 December 14, 1982 der Avanessian
4371339 February 1, 1983 Zeiser
4398884 August 16, 1983 Huffman
4443192 April 17, 1984 Blitz
4449931 May 22, 1984 Saito
Foreign Patent Documents
1069355 January 1980 CAX
Patent History
Patent number: D303836
Type: Grant
Filed: Jul 27, 1987
Date of Patent: Oct 3, 1989
Inventors: Mack L. Roden (Baker, OR), Steven D. Adams (Baker, OR)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Attorney: T. W. Secrest
Application Number: 7/77,789
Classifications
Current U.S. Class: D24/16