3011188

Information

• Patent Grant
• 3011188

• References
• Source

• Patent Number

  3,011,188

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1961
  63 years ago

• CPC

  • A47L9/0411 - driven by electric motor
  • A47L9/0444 - for conveying motion by endless flexible members
  • A47L11/204 - having combined drive for brushes and for vacuum cleaning
  • A47L11/40 - Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups
  • A47L11/4002 - Installations of electric equipment
  • A47L11/4041 - Roll shaped surface treating tools
  • A47L11/4069 - Driving or transmission means for the cleaning tools
  • A47L11/4094 - Accessories to be used in combination with conventional vacuum-cleaning devices
  • A47L11/4097 - Means for exhaust-air diffusion; Exhaust-air treatment

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning