CARBORUNDUM

CERTAIN ABRASIVE ARTICLES AND COMPOUNDS COMPRISING PREPARED ABRASIVE GRAINS AND POWDERS, ABRASIVE PAPER AND CLOTH IN THE FORM OF SHEETS, ROLLS, PADS, DISCS, STRIPS, COILS, AND SPECIAL SHAPES, ABRASIVE WHEELS OF ALL KINDS, ABRASIVE-WHEEL SEGMENTS, ABRASIVE DISCS AND CONES; MOLDED ABRASIVE ARTICLES COMPRISING BLOCKS, BRICKS, STONES, SCYTHE STONES, SHARPENING STONES OF VARIOUS SHAPES, HONES, STROPS, BONDED ABRASIVE STICKS WITH AND WITHOUT HANDLES, STRIPS OF BONDED ABRASIVE MATERIAL HAVING A METAL REINFORCEMENT ALONG ONE EDGE FOR DRESSING CONTACT POINTS AND FOR OTHER FINE ABRASIVE OPERATIONS ABRASIVE INSERT STONES OF TOOTH FORM, ABRASIVE POINTS, PIN WHEELS, CONBINATION PAPER, BREASTING PAPER, WATERPROOF ABRASIVE PAPER AND CLOTH, AND BELTS HAVING ABRASIVEMATERIAL ON THE OUTSIDE SURFACE THEREOF FOR USE IN SANDING MACHINES