Clean air work station

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Description

FIG. 1 is a front elevational view of a clean air work station, showing my new design;

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

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D201678 July 1965 Hill
D206001 October 1966 Wolfe
D221846 September 1971 Dexter
D221847 September 1971 Dexter
D224737 September 1972 Diccianni
1934808 November 1933 Liptay
3273323 September 1966 Whitfield
3284148 November 1966 Ramniceanu
3340788 September 1967 Landingham
3425335 February 1969 Black
3726206 April 1973 Worick, Jr.
3728866 April 1973 Layton
3811250 May 1974 Fowler, Jr.
3895570 July 1975 Eagleson, Jr.
3897721 August 1975 Fuhst
4249463 February 10, 1981 Hornby
4267769 May 19, 1981 Davis et al.
4534281 August 13, 1985 Parks et al.
Other references
  • Brochure, "To An Already Strong Product Group EACI Adds the `W-Line`" EACI.
Patent History
Patent number: D287621
Type: Grant
Filed: Apr 12, 1984
Date of Patent: Jan 6, 1987
Assignee: Environmental Air Control, Inc. (Hagerstown, MD)
Inventor: William R. Shields (Los Alamos, NM)
Primary Examiner: Catherine E. Kemper
Law Firm: Dowell & Dowell
Application Number: 6/599,139
Classifications
Current U.S. Class: D24/11