GRINDING MACHINES AND PARTS THEREOF POLISHING MACHINES AND PARTS THEREOF, RUBBING MACHINES AND PARTS THEREOF, LIGHT DUTY SANDING MACHINES AND PARTS THEREOF, FLEIBLE PADS BUILT UP OF FLEXIBLE AND COMPRESSIBLE MATERIAL, SUCH AS FELT AND/OR RUUBBER, REINFORCED WITH DISCS TO SUPPORT ABRASIVE DISCS WHICH ARE FOR USE ON THE FOREGOING MACHINES, AND MACHINE ATTACHMENTS FOR THE FOREGOING MACHINES AND COMPRISING ATTACHMENTS FOR HOLDING ABRASIVE CONES, WHEEL-MOUNTING ATTACHMENTS, CHUCK ATTACHMENTS FOR D...

MUFFLES AND PARTS THEREOF; RETORTS AND PARTS THEREOF; HEARTHS AND PARTS THEREOF; OVENS AND PARTS THEREOF; RECUPERATORS AND PARTS THEREOF; REGENERATORS AND PARTS THEREOF; AIR AND GAS HEATERS AND PARTS THEREOF; COMBUSTION CHAMBERS AND PARTS THEREOF; FURNACE ARCHES; FURNACE ROOFS; FURNACE LIDS; FURNACE-LID-SECTION SHAPES; SECTION SHAPES FOR COMBUSTION CHAMBERS; BLOCKS OF A SHAPE OR FORM TO PROVIDE FOR FORMING COMBUSTION PORTS; FURNACE TUYERS; RECUPERATOR TUBES; RECUPERATOR BLOCKS; REGENERATOR BL...

TILES, REFRACTORY TILES, [ ROOF TILES, ] [ ANTISLIP TILES, REFRACTORY BRICKS, ] REFRACTORY BLOCKS; [ REFRACTORY CEMENTS; REFRACTORY GRANULAR MATERIALS FOR USE IN MAKING REFRACTORY CEMENTS, BLOCKS, SHAPES; ] REFRACTORY LINING MATERIALS FOR FURNACES, FURNACE-LINING BLOCKS, KILN-LINING BLOCKS, CUPOLA BLOCKS, GAS-GENERATOR BLOCKS, AIR-COOLED FURNACE-LINING BLOCKS, WATER-COOLED FURNACE-LINING BLOCKS, SUSPENDED-ARCH BLOCKS, HEARTH-SUPPORT BLOCKS, FURNACE-WALL VENEER BLOCKS; ARCH VENEER BLOCKS; NAME...

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 META...

CERTAIN ELECTRICAL DEVICES COMPRISING DETECTORS FOR RADIO APPARATUS, RESISTANCE RODS, LIGHTNING ARRESTORS, RESISTORS, AND RESISTOR UNITS

CRYSTALLINE SUBSTANCE USED AS AN ABRADANT AND FOR OTHER PURPOSES

ABRASIVE PRODUCTS, NAMELY, SANDPAPER AND SIMILAR ABRASIVE PAPER AND COLTH, ABRASIVE DISCS INCLUDING PRESSURE-SENSITIVE ABRASIVE DISCS, AND BONDED ABRASIVES

Disposable paint system for automobile paint repair, consisting primarily of a paint cup for attachment to a paint spray gun with a seal ring liner, and cap therefor, but excluding the paint