Resources Contact Us Home
Browse by Category: Main > Tools & Hardware
Class Information
Number: 51/217A
Name: Abrasive tool making process, material, or composition >

Sub-classes under this class:

Class Number Class Name Patents
51/293 Miscellaneous 800
51/294 Bag or filled cloth 40
51/295 Impregnating or coating an abrasive tool 1,031
51/296 Pore forming 145
51/297 Laminating 262
51/298 With synthetic resin 935
51/299 With rubber or reaction product thereof 49
51/300 With natural resin or reaction product thereof 22
51/301 With protein or reaction product thereof 15
51/302 With carbohydrate or reaction product thereof 30
51/304 With fats, fatty oils or fatty oil acids and salts thereof 46
51/305 With ester-type wax, bituminous material, or tarry residue 20
51/306 With hydrocarbon 76
51/307 With inorganic material 1,737

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
Minimizing mismatch during compensation
Method of providing user-tailored entertainment experience at hospitality location and hospitality media system thereof
Cardiopulmonary resuscitation monitoring apparatus
Invisible fence battery charger
Lentiviral gene transfer vectors and their medicinal applications
Encryption using alternate authentication key
  Randomly Featured Patents
Electric control device
Lamp with coating for absorption of ultraviolet light
Occupant classifying device for an automobile
Reversibly inactivated acidified plasmin
Water top-up plug for batteries containing a liquid electrolyte
Low profile television antenna
System and method for monitoring or treating nervous system disorders
LED lighting luminaire having replaceable operating components and improved heat dissipation features
Toner cartridge
Block fitting and seal structure