Casting machine for dental prostheses

- Olympus
Description

FIG. 1 is a front elevational view of a casting machine for dental prostheses showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational view thereof;

FIG. 6 is an opposite side elevational view thereof;

FIG. 7 is a top, opposite side isometric view thereof; and,

FIG. 8 is a top, side isometric view thereof.

Referenced Cited
U.S. Patent Documents
2509670 May 1950 Capita et al.
3234604 February 1966 Anderson
4478567 October 23, 1984 Schaer
4630666 December 23, 1986 Wismann
4729780 March 8, 1988 Shimizu
4998872 March 12, 1991 Funakubo et al.
Patent History
Patent number: D335539
Type: Grant
Filed: Jan 23, 1991
Date of Patent: May 11, 1993
Assignees: Olympus Optical Company, Ltd. (Tokyo), Denken Co., Ltd. (Kyoto)
Inventors: Yasuharu Hakamatsuka (Tokyo), Kazuhiro Watanabe (Tokyo), Mamoru Aihara (Tokyo), Manabu Takahashi (Tokyo), Toshio Shimizu (Kyoto)
Primary Examiner: Wallace R. Burke
Assistant Examiner: M. H. Tung
Attorney: Carroll F. Palmer
Application Number: 7/645,009
Classifications
Current U.S. Class: Dental (46) (D24/176)