2138829

Information

• Patent Grant
• 2138829

• References
• Source

• Patent Number

  2,138,829

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1938
  86 years ago

• CPC

  • B24D3/12 - water-setting
  • B24D3/14 - ceramic
  • C09K3/1436 - Composite particles

• US Classifications

  • 051 - Abrasive tool making process, material, or composition