3820184

Information

• Patent Grant
• 3820184

• References
• Source

• Patent Number

  3,820,184

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  50 years ago

• CPC

  • B08B9/023 - Cleaning the external surface
  • B24B23/08 - Portable grinding machines designed for fastening on work-pieces or other parts of particular section
  • Y10T29/4506 - for hollow workpiece
  • Y10T29/4567 - Brush type

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 029 - Metal working