2022893

Information

• Patent Grant
• 2022893

• References
• Source

• Patent Number

  2,022,893

• Date Filed

  Not available

• Date Issued

  Tuesday, December 3, 1935
  89 years ago

• CPC

  • B24D3/24 - for close-grained structure

• US Classifications

  • 051 - Abrasive tool making process, material, or composition
  • 524 - Synthetic resins or natural rubbers