3864784

Information

• Patent Grant
• 3864784

• References
• Source

• Patent Number

  3,864,784

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1975
  50 years ago

• CPC

  • A47L9/0416 - driven by fluid pressure
  • A47L11/204 - having combined drive for brushes and for vacuum cleaning
  • A47L11/206 - for rotary disc brushes
  • A47L11/4036 - Parts or details of the surface treating tools
  • A47L11/4069 - Driving or transmission means for the cleaning tools
  • A47L11/4075 - Handles; levers
  • A47L11/4094 - Accessories to be used in combination with conventional vacuum-cleaning devices
  • A47L11/4097 - Means for exhaust-air diffusion; Exhaust-air treatment
  • B24B55/105 - with oscillating tools

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 285 - Pipe joints or couplings
  • 451 - Abrading