3067021

Information

• Patent Grant
• 3067021

• References
• Source

• Patent Number

  3,067,021

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1962
  62 years ago

• CPC

  • B24C3/10 - for treating external surfaces
  • B24C3/14 - Apparatus using impellers

• US Classifications

  • 451 - Abrading