US Patent Class 51
ABRASIVE TOOL MAKING PROCESS, MATERIAL, OR COMPOSITION--
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Current as of:
June, 1999
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© 1999
     
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CLASS NOTES
294
DF
BAG OR FILLED CLOTH
295
DF
IMPREGNATING OR COATING AN ABRASIVE TOOL
296
DF
PORE FORMING
297
DF
LAMINATING
298
DF
WITH SYNTHETIC RESIN
299
DF
WITH RUBBER OR REACTION PRODUCT THEREOF
300
DF
WITH NATURAL RESIN OR REACTION PRODUCT THEREOF
301
DF
WITH PROTEIN OR REACTION PRODUCT THEREOF
302
DF
WITH CARBOHYDRATE OR REACTION PRODUCT THEREOF
{1}
304
DF
WITH FATS, FATTY OILS OR FATTY OIL ACIDS AND SALTS THEREOF
305
DF
WITH ESTER-TYPE WAX, BITUMINOUS MATERIAL, OR TARRY RESIDUE
306
DF
WITH HYDROCARBON
307
DF
WITH INORGANIC MATERIAL
{2}
293
DF
MISCELLANEOUS