72106941
Oct 21, 1960
Apr 16, 1963
PROTECTOR UNITS HAVING AN AIR GAP TO DISCHARGE STATIC CHARGES AND A FUSIBLE ELEMENT TO ESTABLISH A DIRECT METALLIC CIRCUIT TO GROUND FOR POWER SURGES OR FAULT CURRENTS, SAID UNITS SOLD TO TELEPHONE COMPANIES FOR USE IN TELEPHONE STATION PROTECTORS AND THE LIKE
Housewares and Glass