Gas flow controller


FIG. 1 is a perspective view of a gas flow controller, showing our new design;

FIG. 2 is a top plan view;

FIG. 3 is a left side elevational view;

FIG. 4 is a left end elevational view;

FIG. 5 is a right side elevational view;

FIG. 6 is a right end elevational view; and,

FIG. 7 is a bottom plan view.

Referenced Cited
U.S. Patent Documents
3073298 January 1963 Stanton
3952773 April 27, 1976 Hohn
4278110 July 14, 1981 Price et al.
Patent History
Patent number: D353198
Type: Grant
Filed: Mar 13, 1992
Date of Patent: Dec 6, 1994
Assignee: Accutron, Inc. (Phoenix, AZ)
Inventors: Richard J. Blasdell (Phoenix, AZ), Raymond L. Blasdell (Litchfield Park, AZ)
Primary Examiner: Stella Reid
Assistant Examiner: Eric Watterson
Attorneys: Don J. Flickinger, Jordan M. Meschkow, Robert A. Parsons
Application Number: 7/850,784