U.S. federal trademark · Serial No. 72201152 · Reg. No. 0812732
SODIUM CHLORIDE USED IN A WATER SOFTENING MACHINE TO WASH THE BED OF RESINS OR ZEOLITE AFTER A PERIOD OF USE; TO REGENERATE THE SAID RESINS IN ORDER THAT THE RESINS ARE EFFECTIVE IN SOFTENING THE HARD WATER PASSING THROUGH THE WATER SOFTENING MACHINE
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