1909586

Information

• Patent Grant
• 1909586

• References
• Source

• Patent Number

  1,909,586

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1933
  91 years ago

• CPC

  • B02B3/10 - by means of brushes
  • Y10T29/47 - Burnishing

• US Classifications

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