Extruded combination door or window

Claim 1

A STORM DOOR COMPRISING IN COMBINATION A FOUR SECTION PERIMETRAL FRAMING MEMBER CUT FROM A COMMON EXTRUSION AND MITERED TOGETHER IN BOX-LIKE RECTANGULAR CONFIGURATION; SAID FRAMING MEMBER HAVING FOUR WALLS ENCLOSING A HOLLOW, ONE OF SAID WALLS BEING INCLINED RELATIVE TO THE WALL OPPOSED THERETO; SAID FRAMING MEMBER INCLUDING TRIPLE TRACK FORMING FLANGES INTEGRAL WITH THE INCLINED WALL, IN SPACED APART RELATION THEREALONG AND EXTENDING INWARDLY OF THE BOX-LIKE CONFIGURATION AT LEAST ALONG A MAJOR PORTION OF THE MEMBER, SAID FLANGES HAVING THEIR OUTER ENDS SUBSTANTIALLY NORMAL THERETO TO RECEIVE AND RETAIN WEATHER STRIPPING ADJACENT TO EACH FLANGE; SAID FLANGES BEING ALSO MITERED TOGETHER; AND A PAIR OF GLASSES EACH APPROXIMATELY EQUAL TO ONE-HALF OF THE AREA ENCLOSED BY SAID MEMBER SLIDABLY DISPOSED WITHIN ADJACENT TRACKS AND A SCREENING MEMBER OF GENERALLY THE SAME SIZE AS THE GLASSES DISPOSED WITHIN AND SLIDABLE ALONG ANOTHER TRACK.