Combined letterhead and reply insert

Claim 1

A MAILING PIECE COMPRISING A SHEET OF PAPER, AN EXTENSION ATTACHED TO AND HAVING A COMMON EDGE WITH SAID SHEET OF PAPER, SAID EXTENSION HAVING AN OUTER EDGE SPACED FROM AND EXTENDING IN THE SAME GENERAL DIRECTION AS SAID COMMON EDGE AND HAVING A PAIR OF SPACED SIDE EDGES EXTENDING BETWEEN SAID COMMON EDGE AND SAID OUTER EDGE, SAID EXTENSION AND SAID SHEET OF PAPER FORMING A POCKET THEREBETWEEN, A WINDOW-CUTOUT LOCATED IN SAID SHEET OF PAPER IN REGISTER WITH SAID POCKET, AN INSERT HAVING AN ADDRESS ON ONE SIDE THEREOF AND POSITIONABLE WITHIN SAID POCKET WHEREBY THE ADDRESS ON SAID INSERT APPEARS IN SAID WINDOW-CUTOUT AN OUTER ADHESIVE MEANS POSITIONED ALONG EACH OF THE SIDE EDGES OF SAID EXTENSION FOR SECURING THE EXTENSION TO SAID SHEET OF PAPER, AN INTERMEDIATE ADHESIVE MEANS LOCATED BETWEEN SAID OUTER ADHESIVE MEANS, SAID INTERMEDIATE ADHESIVE MEANS SPACED FROM BOTH SAID COMMON EDGE AND FROM THE OUTER EDGE OF SAID EXTENSION WHEREBY THE INTERMEDIATE ADHESIVE MEANS FORMS ONE SIDE OF THE POCKET AND FACILITATES AUTOMATIC PLACEMENT OF THE INSERT INTO THE POCKET, AND SAID WINDOWCUTOUT HAVING AT LEAST ONE EDGE FACING TOWARDS THE OPENING TO SAID POCKET AND DISPOSED OBLIQUELY TO THE EDGES OF SAID SHEET OF PAPER THEREBY PERMITTING AUTOMATIC INSERTION OF THE INSERT INTO SAID POCKET WITHOUT INTERFERENCE BETWEEN SAID EDGES AND INSERT.