2666570

Information

• Patent Grant
• 2666570

• References
• Source

• Patent Number

  2,666,570

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1954
  71 years ago

• CPC

  • A47L11/4013 - Contaminants collecting devices
  • A47L5/22 - with rotary fans
  • A47L5/30 - with driven dust-loosening tools
  • A47L11/204 - having combined drive for brushes and for vacuum cleaning

• US Classifications

  • 241 - Solid material comminution or disintegration
  • 015 - Brushing, scrubbing, and general cleaning