Electric heating control panel

Claim 1

CONTROL APPARATUS FOR ELECTRIC BASEBOARD RADIATOR UNITS AND THE LIKE, COMPRISING A SEALED INSULATED PANEL HAVING A BOTTOM SURFACE AND ALSO HAVING A TOP SURFACE WITH A PLURALITY OF PRONG-RECEIVING SOCKETS HOLES ARRANGED IN A PLURALITY OF LINES AND ROWS EXTENDING TRANSVERSELY THEREOF, A PLURALITY OF PAIRS OF TERMINALS ARRANGED PARALLEL TO ONE OF SAID ROWS, A PLURALITY OF CONDUCTOR BARS EMBEDDED IN SAID PANEL AND EXTENDING ALONG SAID LINES AND ROWS AT VARYING DISTANCES FROM SAID TOP AND BOTTOM SURFACES, A PLURALITY OF TERMINAL PROJECTIONS IN SAID HOLES AND EACH OF THE PROJECTIONS BEING CONNECTED TO A RESPECTIVE CONDUCTOR BAR, A PLURALITY OF CURRENT OVERLOAD PROTECTIVE DEVICE BLOCKS AND RELAY BLOCKS ARRANGED IN RESPECTIVE ROWS AND HAVING PRONGS REMOVABLY SEATED IN SAID HOLES AND ENGAGING THE TERMINAL PROJECTIONS THEREIN, EACH OF SAID PROTECTIVE DEVICE BLOCKS AND A RESPECTIVE RELAY BLOCK BEING DISPOSED IN ONE OF SAID LINES, MEANS ON THE PANEL SUPPLYING POWER TO THE BARS ALONG THE ROW OF PROTECTIVE DEVICE BLOCKS, SAID PROTECTIVE DEVICE BLOCKS HAVING CURRENT OVERLOAD PROTECTIVE DEVICES, AND SAID RELAY BLOCKS HAVING RELAY POWER CONTACTS COOPERATING WITH SAID PROTECTIVE DEVICES AND BARS ALONG SAID LINES FOR SUPPLYING POWER TO SAID PAIRS OF TERMINALS.