Face plate for an air distribution outlet

Claim 1

A FACE PLATE FOR MASKING A RECTANGULAR AIR DISTRIBUTION OUTLET IN A ROOM CEILING AND DIRECTING A STREAM OF AIR FROM THE OUTLET INTO THE ROOM, SAID FACE PLATE COMPRISING A RECTANGULAR PLASTIC FRAME HAVING A CENTRAL RECTANGULAR OPENING THEREIN, PLASTIC BRACE STRIPS EXTENDING DIAGONALLY INWARDLY FROM THE CORNERS OF SAID FRAME AND INTEGRALLY JOINED THERETO, A RECTANGULAR PLASTIC DEFLECTOR PLATE CENTERED IN AND SMALLER THAN SAID OPENING AND INTEGRALLY JOINED AT ITS CORNERS TO SAID STRIPS WITH THE UPPER SIDE OF SAID PLATE PERPENDICULAR TO SAID STREAM THEREBY TO INTERCEPT THE CENTRAL PORTION OF THE STREAM AND DEFLECT THE SAME RADIALLY OUTWARDLY IN ALL DIRECTIONS, AND A PLURALITY OF PLASTIC BARS JOINED TOGETHER TO FORM A SERIES OF RECTANGLES OF PROGRESSIVELY DECREASING SIZE DISPOSED IN A COMMON PLANE IN SAID OPENING AND INTEGRALLY JOINED AT THE CORNERS TO SAID STRIPS WITH THE BARS OF ADJACENT RECTANGLES SPACED LATERALLY APART IN SAID PLANE TO FORM ELONGATED PASSAGES FOR THE FLOW OF AIR BETWEEN THE BARS ALONG PATHS PERPENDICULAR TO SAID PLANE, EACH OF SAID BARS HAVING AN UPPER SURFACE OF APPROXIMATELY THE SAME WIDTH AS SAID PASSAGES AND GENERALLY PERPENDICULAR TO SAID STREAM TO INTERCEPT AND DEFLECT A PORTION OF SAID STREAM OUTWARDLY AND ALSO HAVING A SIDE SURFACE FACING INWARDLY TOWARD SAID DEFLECTOR AND DIVERGING OUTWARDLY AND DOWNWARDLY RELATIVE TO SAID PERPENDICULAR PATH WHEREBY THE AIR FLOWING DIRECTLY BETWEEN SAID BARS IS DIVERTED OUTWARDLY BY SAID DEFLECTED AIR AND ALL THE AIR ISSUES INTO THE ROOM ALONG PATHS INCLINED DOWNWARDLY AND LATERALLY AT ACUTE ANGLES WITH SAID PLANE.