Manual of U.S. Patent Classification
as of June 30, 2000

Class
051
ABRASIVE TOOL MAKING PROCESS, MATERIAL, OR COMPOSITION

Class definitions may be accessed by clicking on the class title, above.
Subclass definitions may be accessed by clicking on the subclass number, below.

Patents classified in a subclass may be accessed by clicking on the " " icon following the subclass number, below.

( please note that links to definitions and classified patents may not be available for some classes and subclasses )

For search strategies, please refer to the Classification Index Explanation of Data web page.

Subclass		Title
ClassTitle		===> ABRASIVE TOOL MAKING PROCESS, MATERIAL, OR COMPOSITION
294		BAG OR FILLED CLOTH
295		IMPREGNATING OR COATING AN ABRASIVE TOOL
296		PORE FORMING
297		LAMINATING
298		WITH SYNTHETIC RESIN
299		WITH RUBBER OR REACTION PRODUCT THEREOF
300		WITH NATURAL RESIN OR REACTION PRODUCT THEREOF
301		WITH PROTEIN OR REACTION PRODUCT THEREOF
302		WITH CARBOHYDRATE OR REACTION PRODUCT THEREOF
303		. Cellulose or derivative thereof
304		WITH FATS, FATTY OILS OR FATTY OIL ACIDS AND SALTS THEREOF
305		WITH ESTER-TYPE WAX, BITUMINOUS MATERIAL, OR TARRY RESIDUE
306		WITH HYDROCARBON
307		WITH INORGANIC MATERIAL
308		. Clay, silica, or silicate
309		. Metal or metal oxide
293		MISCELLANEOUS

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Last Modified: 6 October 2000