2221745

Information

• Patent Grant
• 2221745

• References
• Source

• Patent Number

  2,221,745

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1940
  84 years ago

• CPC

  • A47L9/00 - Details or accessories of suction cleaners
  • A47L5/10 - with driven dust-loosening tools
  • A47L5/30 - with driven dust-loosening tools
  • Y10T403/32336 - Engaging notch or recess in outer periphery of component

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 310 - Electrical generator or motor structure
  • 403 - Joints and connections
  • 417 - Pumps