Fume ventilating work station for laboratories

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Description

FIG. 1 is a prospective view taken from the top, front and left side of a fume ventilating work station for laboratories showing my new design; and

FIG. 2 is a prospective view taken from the bottom, rear and left side thereof.

Referenced Cited
U.S. Patent Documents
D149771 May 1948 Pledger
D214375 June 1969 Knab
D220324 March 1971 Ott et al.
D221847 September 1971 Dexter
D242861 December 28, 1976 Carlson
D263737 April 6, 1982 Acero et al.
2702505 February 1955 Nelson
3049069 August 1962 Whiston
3895570 July 1975 Eagleson, Jr.
3926597 December 1975 Landy
4179984 December 25, 1979 Gorcey
Patent History
Patent number: D274748
Type: Grant
Filed: May 27, 1981
Date of Patent: Jul 17, 1984
Assignee: A.C.C. Air Clean Co. (Stockholm)
Inventor: Roland Aberg (Taby)
Primary Examiner: James R. Largen
Law Firm: Burton, Parker & Schramm
Application Number: 6/268,142
Classifications
Current U.S. Class: D23/151