Anchoring clip for overlapping wall paneling or siding

Claim 1

A BLIND-TYPE CLIP FOR ANCHORING IN PLACE OVERLAPPING PANEL MEMBERS AND THE LIKE INCLUDING AN UNDERLAYMENT AND AN OVERLAYMENT SAID CLIP COMPRISING A THIN, STIFF, ELONGATE PLATE INCLUDING A MAIN BODY PORTION, SAID MAIN BODY PORTION INCLUDING A NAIL HOLE THERETHROUGH FOR FASTENING SAID PLATE TO SAID UNDERLAYMENT, SPACER MEANS FOR PROVIDING SAID OVERLAYMENT AND SAID UNDERLAYMENT WITH A CONSTANT PREDETERMINED OVERLAP, SAID SPACER MEANS INCLUDING A PAIR OF FLANGES BENT IN OPPOSITE DIRECTIONS FROM OPPOSITE ENDS OF SAID MAIN BODY PORTION AND AT RIGHT ANGLES THERETO, SAID FLANGES INCLUDING A FIRST FLANGE FOR ENGAGING THE TOP EDGE OF AN UNDERLAYMENT AND A SECOND FLANGE OF GREATER LENGTH THAN SAID FIRST FLANGE FOR ENGAGING THE BOTTOM EDGE OF AN OVERLAYMENT, SAID SECOND FLANGE BEING FRANGIBLE SUCH THAT IT CAN READILY BE REMOVED FROM THE REMAINDER OF SAID CLIP FOLLOWIN GTHE INSTALLATION OF SAID OVERLAYMENT, BLIND FASTENING MEANS INCLUDING A PAIR OF INTEGRAL SHARPPOINTED PRONGS STRUCK FROM THE OPPOSITE SIDE EDGES OF SAID MAIN BODY PORTION INTERMEDIATE SAID FLANGES AND PROJECTING IN THE SAME GENERAL DIRECTION AS BUT A LESSER DISTANCE THAN SAID SECOND FLANGE FOR PENETRATING THE UNDERSIDE OF SAID OVERLAYMENT, THE BOARD SURFACES OF EACH OF SAID PRONGS BEING DISPOSED GENERALLY TRANSVERSELY OF SAID MAIN BODY PORTION, SAID PRONGS BEING DIVERGENT WITH RESPECT TO ONE ANOTHER IN A DIRECTION TOWARD THEIR EXTREMITIES AND TOWARD THE LONGITUDINALLY OPPOSITE ENDS OF SAID PLATE MEMBER.