2020117

Information

• Patent Grant
• 2020117

• References
• Source

• Patent Number

  2,020,117

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1935
  89 years ago

• CPC

  • E21B10/46 - characterised by wear resisting parts
  • B24D7/02 - Wheels in one piece
  • B24D18/00 - Manufacture of grinding tools or other grinding devices
  • B24D18/0018 - by electrolytic deposition
  • Y10S76/05 - Electric welding
  • Y10S204/07 - Current distribution within the bath
  • Y10T407/1952 - Having peripherally spaced teeth
  • Y10T428/12625 - Free carbon containing component
  • Y10T428/2991 - Coated

• US Classifications

  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
  • 051 - Abrasive tool making process, material, or composition
  • 076 - Metal tools and implements, making
  • 125 - Stone working
  • 204 - Chemistry: electrical and wave energy
  • 269 - Work holders
  • 407 - Cutters, for shaping
  • 428 - Stock material or miscellaneous articles
  • 433 - Dentistry
  • 451 - Abrading