3201819

Information

• Patent Grant
• 3201819

• References
• Source

• Patent Number

  3,201,819

• Date Filed

  Not available

• Date Issued

  Tuesday, August 24, 1965
  59 years ago

• CPC

  • A47L11/4097 - Means for exhaust-air diffusion; Exhaust-air treatment
  • A47L11/20 - combined with vacuum cleaning devices
  • A47L11/204 - having combined drive for brushes and for vacuum cleaning
  • A47L11/24 - Floor-sweeping machines, motor-driven
  • A47L11/4041 - Roll shaped surface treating tools
  • A47L11/4052 - Movement of the tools or the like perpendicular to the cleaning surface
  • A47L11/4058 - for adjusting the height of the tool
  • A47L11/4069 - Driving or transmission means for the cleaning tools
  • E01H1/0827 - Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning