Resources Contact Us Home
Browse by Category: Main > Tools & Hardware
Class Information
Number: 51/381
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
Method for producing interferon alpha 5
Method for manufacturing a magnet coil configuration using a slit band-shaped conductor
Integrating multimedia capabilities with circuit-switched calls
Delta-sigma AD converter circuit and battery pack
Compact multi-functional scanning apparatus with retractable flatbed scanner
Electrical stimulation lead, system, and method
Image forming apparatus, control method, and storage medium
  Randomly Featured Patents
Holddown mechanism for a dockboard
Collapsible structure
Acoustic elements and their production
Organic element for electroluminescent devices
Geranium plant named `Fisblu`
Apparatus for forming composite products
Substituted 2-aminobenzothiazoles and derivatives useful as cerebrovascular agents
Deposit control additives - hydroxy polyether polyamines
Embedded system and page relocation method therefor
Institutional mattress and pillow composite with transparent covering