Laboratory evaporator device

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Description

FIG. 1 is a perspective view of my laboratory evaporator device;

FIG. 2 is a front view thereof;

FIG. 3 is a right side elevational view thereof, with the left side elevational view being a substantial mirror image thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
3977935 August 31, 1976 Kowarski
4465554 August 14, 1984 Glass
4642220 February 10, 1987 Bjorkman
4704255 November 3, 1987 Jolley
4707452 November 17, 1987 Friswell
5005981 April 9, 1991 Schulte et al.
5039614 August 13, 1991 Dekmezian et al.
5100623 March 31, 1992 Friswell
5108603 April 28, 1992 Schuette
5260028 November 9, 1993 Astle
5283039 February 1, 1994 Aysta
5306510 April 26, 1994 Meltzer
5514336 May 7, 1996 Fox
5569357 October 29, 1996 Kuhn et al.
5585068 December 17, 1996 Pantez et al.
5598933 February 4, 1997 Lessard et al.
5620561 April 15, 1997 Kuhn et al.
5906795 May 25, 1999 Nakashima et al.
Patent History
Patent number: D422689
Type: Grant
Filed: Sep 7, 1999
Date of Patent: Apr 11, 2000
Inventor: Felix H. Yiu (Encino, CA)
Primary Examiner: Lisa Lichtenstein
Law Firm: Cislo & Thomas LLP
Application Number: 0/110,521
Classifications
Current U.S. Class: Air Treatment (D23/355)
International Classification: 2304;