2150806

Information

• Patent Grant
• 2150806

• References
• Source

• Patent Number

  2,150,806

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1939
  86 years ago

• CPC

  • F28G3/14 - thrown into working position by centrifugal force
  • Y10T29/4511 - Interior surface

• US Classifications

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