Combined gas treatment tube and enclosing guard tube

Info

Patent number: D316897
Type: Grant
Filed: Apr 14, 1987
Date of Patent: May 14, 1991
Assignee: Supelco, Inc. (Bellefronte, PA)
Inventors: Barry L. Burger (Bellefonte, PA), John F. McDevitt (State College, PA)
Primary Examiner: Stella Reid
Application Number: 7/38,805

Description

Description

FIG. 1 is a side elevational view of a combined gas treatment tube and enclosing guard tube, showing my new design, the opposite side elevational view being identical thereto;

FIG. 2 is a front elevational view thereof, the rear elevational view being identical thereto;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a perspective view thereof;

FIG. 6 is a side elevational view of a second embodiment of FIG. 1, the opposite side elevational view being identical thereto;

FIG. 7 is a front elevational view thereof, the rear elevational view being identical thereto;

FIG 8 is a top plan view thereof;

FIG. 9 is a bottom plan view thereof;

FIG. 10 is a perspective view thereof;

FIG. 11 is a side elevational view of a third embodiment of FIG. 1, the opposite side elevational view being identical thereto;

FIG. 12 is a front elevational view thereof, the rear elevational view being identical thereto;

FIG. 13 is a top plan view thereof;

FIG. 14 is a bottom plan view thereof; and

FIG. 15 is a perspective view thereof.