2181306

Information

• Patent Grant
• 2181306

• References
• Source

• Patent Number

  2,181,306

• Date Filed

  Not available

• Date Issued

  Tuesday, November 28, 1939
  85 years ago

• CPC

  • B08B9/045 - the cleaning devices being rotated while moved
  • Y10T29/4528 - with rotary head
  • Y10T29/4556 - Chainer

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 029 - Metal working
  • 134 - Cleaning and liquid contact with solids