Modular circuit boards

Claim 1

AN INTERMEDIATE CIRCUIT BOARD COMPRISING AN INSULATING LAMINATE, SAID LAMINATE HAVING AN ARRAY OF HOLES EXTENDING THERETHROUGH FOR THE SELECTIVE RECEPTION IN AT LEAST SOME OF THE HOLES OF DISCRETE CONDUCTOR PIECES, SAID HOLES BEING DISPOSED ACCORDING TO REPETITIVE GEOMETRIC GROUPINGS, AND A NUMBER OF DUPLICATE PATTERNS OF CONDUCTIVE MATERIAL ATTACHED TO ONE FACE OF THE LAMINATE AND THEREBY INSULATED FROM ONE ANOTHER, ALL OF THE HOLES OF EACH GROUPINGS BEING BRIDGED BY A PATTERN FOR CONDUCTIVE ATTACHMENT THERETO OF SUCH CONDUCTOR PIECES AS MAY BE LOCATED IN ANY OF THE HOLES BRIDGED BY SAID PATTERN, EACH OF SAID GROUPINGS OF HOLES COMPRISING AT LEAST TWO ADJACENT ROWS OF HOLES, THE HOLES IN SAID ROWS BEING IN STAGGERED RELATIONSHIP TO ONE ANOTHER, EACH OF SAID PATTERNS COMPRISING A CONTINUOUS STRIP BRIDGING ALL THE HOLES IN ONE OF THE ROWS, SAID STRIP HAVING BRANCHES EACH OF WHICH BRIDGES AT LEAST ONE HOLE IN AN ADJACENT ROW.