Resources Contact Us Home
Browse by Category: Main > Tools & Hardware
Class Information
Number: 51/277
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
Paper product with surface pattern
Efficient relay automatic repeat request procedure in broadband wireless access system
Multi-contoured yoga support
Communication terminal device, communication system, and communication control method
Dual-leadframe multi-chip package and method of manufacture
Method and apparatus for wireless communication in a mesh network with central control of communication relationships
  Randomly Featured Patents
2150, human protein kinase family member and uses therefor
Apparatus for making a commutator for an electric motor
MRI guided ultrasound therapy apparatus
Software documentation release control system
Six-cell partition
Postage meter
Crimp terminal and method of producing crimp terminal
Electronic keyboard musical instrument
Check valve
Method for identifying UML objects in a repository with objects in XML content