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FIG. 1 is an elevational view of an extrusion canister showing my new design;
FIG. 2 is a top plan view;
FIG. 3 is a bottom plan view;
FIG. 4 is a perspective view thereof; and,
FIG. 5 is an inverted perspective view with respect to FIG. 1 thereof.
FIGS. 4 and 5 have been drawn on a reduced scale with respect to FIG. 1.
Filed: Nov 2, 1989
Date of Patent: Apr 28, 1992
Assignee: Ionics, Incorporated (Watertown, MA)
Inventor: Joseph M. Loftis (Pittsburg, PA)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Antoine D. Davis
Attorney: Norman E. Saliba
Application Number: 7/431,055