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Class Information
Number: 451/527
Name: Abrading > Flexible-member tool, per se > Interrupted or composite work face (e.g., cracked, nonplanar, etc.)
Description: Flexible-member tool whose abrasive surface is (a) corrugated, pleated, or grooved; (b) apertured; (c) comprised of discrete abrasive areas on the supporting structure; (d) cracked or slit; or (e) made up of sheets* or components* disposed in adjoining or contiguous relation.










Sub-classes under this class:

Class Number Class Name Patents
451/529 Sectional 131
451/528 Uniform thickness nonplanar 75


Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8702479 Polishing pad with multi-modal distribution of pore diameters Apr. 22, 2014
8684794 Chemical mechanical planarization pad with void network Apr. 1, 2014
8657653 Homogeneous polishing pad for eddy current end-point detection Feb. 25, 2014
8654502 Apparatus, a method for establishing a conductive pattern on a planar insulating substrate, the planar insulating substrate and a chipset thereof Feb. 18, 2014
8651921 Surface treatment device Feb. 18, 2014
8647178 Polishing pad of polishing system Feb. 11, 2014
8628383 Coated abrasive products containing aggregates Jan. 14, 2014
8597087 Universal abrasive sheet Dec. 3, 2013
8574039 Brush kit for abrasively conditioning cylinders and bores in mechanical equipment including transmissions Nov. 5, 2013
8574040 Multi-air aqua reservoir moist sanding system Nov. 5, 2013
8562389 Thin polishing pad with window and molding process Oct. 22, 2013
8556686 Device for sharpening and polishing needles, pins, and miscellaneous pointed articles Oct. 15, 2013
8550878 Method of manufacture of constant groove depth pads Oct. 8, 2013
8545583 Method of forming a flexible abrasive sheet article Oct. 1, 2013
8512100 Abrasive tape, method for producing abrasive tape, and varnishing process Aug. 20, 2013
8496512 Polishing pad, polishing method and method of forming polishing pad Jul. 30, 2013
8485869 Polishing material having polishing particles and method for making the same Jul. 16, 2013
8485862 Polishing pad for endpoint detection and related methods Jul. 16, 2013
8475238 Polishing pads including sidewalls and related polishing apparatuses Jul. 2, 2013
8449357 Polymeric fiber CMP pad and associated methods May. 28, 2013
8444457 Universal abrasive sheet May. 21, 2013
8431489 Chemical mechanical polishing pad having a low defect window Apr. 30, 2013
8408977 Dual-pore structure polishing pad Apr. 2, 2013
8398461 Polishing method, polishing pad and polishing system Mar. 19, 2013
8398462 CMP pads and method of creating voids in-situ therein Mar. 19, 2013
8393940 Molding windows in thin pads Mar. 12, 2013
8393941 Abrasive tool Mar. 12, 2013
8357027 Polishing pad and method of manufacture Jan. 22, 2013
8348724 Polishing pad manufacturing method Jan. 8, 2013
8348723 Structured abrasive article and method of using the same Jan. 8, 2013
8337276 Automated detection of characteristics of abrasive products during use Dec. 25, 2012
8337282 Polishing pad Dec. 25, 2012
8303378 Polishing pad, polishing method and method of forming polishing pad Nov. 6, 2012
8303382 Polishing pad and method of fabrication Nov. 6, 2012
8287330 Reducing polishing pad deformation Oct. 16, 2012
8286291 Eraser assembly for a rotary tool Oct. 16, 2012
8257152 Silicate composite polishing pad Sep. 4, 2012
8257545 Chemical mechanical polishing pad with light stable polymeric endpoint detection window and method of polishing therewith Sep. 4, 2012
8257544 Chemical mechanical polishing pad having a low defect integral window Sep. 4, 2012
8257153 Polishing pad and a method for manufacturing the same Sep. 4, 2012
8256091 Equal sized spherical beads Sep. 4, 2012
8216030 Flexible grinding product and method of producing the same Jul. 10, 2012
8206202 Flexible grinding product and method of producing the same Jun. 26, 2012
8192249 Systems and methods for polishing a magnetic disk Jun. 5, 2012
8192257 Method of manufacture of constant groove depth pads Jun. 5, 2012
8177604 Surface abrading method of photosensitive layer of electrophotographic photoreceptor May. 15, 2012
8177603 Polishing pad composition May. 15, 2012
8176909 Grinding tool for natural stone floors, artificial stone floors and industrial soils May. 15, 2012
8162728 Dual-pore structure polishing pad Apr. 24, 2012
8137166 Polishing pad having micro-grooves on the pad surface Mar. 20, 2012

1 2 3 4 5 6 7 8 9 10










 
 
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