Machine for making dry ice

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Description

FIG. 1 is a front elevational view of a machine for making dry ice showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a perspective view thereof; and

FIG. 8 is a front elevational view thereof, connected to a gas source which is shown in broken lines for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
1876915 September 1932 Gordon
3393152 July 1968 Smith et al.
3922878 December 1975 Jalali
4374658 February 22, 1983 Kawaguchi
4412852 November 1, 1983 Umino et al.
Patent History
Patent number: D291577
Type: Grant
Filed: Oct 1, 1984
Date of Patent: Aug 25, 1987
Inventor: Yoshihisa Kawaguchi (Minato-ku, Tokyo 107)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Ruth E. Takemoto
Law Firm: Pollock, VandeSande & Priddy
Application Number: 6/656,808
Classifications
Current U.S. Class: Refrigeration Machinery And Apparatus (D15/79)