2910720

Information

• Patent Grant
• 2910720

• References
• Source

• Patent Number

  2,910,720

• Date Filed

  Not available

• Date Issued

  Tuesday, November 3, 1959
  65 years ago

• CPC

  • A47L11/40 - Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups
  • A47L11/204 - having combined drive for brushes and for vacuum cleaning
  • A47L11/4041 - Roll shaped surface treating tools
  • A47L11/4044 - Vacuuming or pick-up tools; Squeegees
  • A47L11/4066 - Propulsion of the whole machine
  • A47L11/4069 - Driving or transmission means for the cleaning tools
  • A47L11/408 - Means for supplying cleaning or surface treating agents
  • A47L11/4083 - Liquid supply reservoirs; Preparation of the agents
  • A47L11/4088 - Supply pumps; Spraying devices; Supply conduits
  • A47L11/4091 - Storing or parking devices, arrangements therefor; Means allowing transport of the machine when it is not being used

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 261 - Gas and liquid contact apparatus