3222820

Information

• Patent Grant
• 3222820

• References
• Source

• Patent Number

  3,222,820

• Date Filed

  Not available

• Date Issued

  Tuesday, December 14, 1965
  59 years ago

• CPC

  • B24B29/005 - using brushes
  • B24B7/12 - for grinding travelling elongated stock
  • B24B7/28 - for grinding wood
  • E04G19/006 - Cleaning devices

• US Classifications

  • 451 - Abrading
  • 144 - Woodworking