Air filtering device designed for installation over an interior vent grill of evaporative coolers
Description
FIG. 1 is a front elevational view of the air filtering device designed for installation over an interior vent grill of evaporative coolers showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a right view thereof;
FIG. 4 is a left view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is an isometric view thereof.
Referenced Cited
Patent History
Patent number: D382049
Type: Grant
Filed: Apr 1, 1996
Date of Patent: Aug 5, 1997
Inventor: Flavio C. Trampp (Claypool, AZ)
Primary Examiner: Holly Baynham
Application Number: 0/52,510
Type: Grant
Filed: Apr 1, 1996
Date of Patent: Aug 5, 1997
Inventor: Flavio C. Trampp (Claypool, AZ)
Primary Examiner: Holly Baynham
Application Number: 0/52,510
Classifications