3678533

Information

• Patent Grant
• 3678533

• References
• Source

• Patent Number

  3,678,533

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1972
  52 years ago

• CPC

  • B66B31/003 - for cleaning steps or pallets
  • A47L7/0009 - with means mounted on the nozzle; nozzles specially adapted for the recovery of liquid
  • A47L11/00 - Machines for cleaning floors, carpets, furniture, walls, or wall coverings
  • A47L11/20 - combined with vacuum cleaning devices
  • A47L11/4038 - Disk shaped surface treating tools
  • A47L11/4044 - Vacuuming or pick-up tools; Squeegees
  • A47L11/4055 - for lifting the tools to a non-working position
  • A47L11/4061 - Steering means; Means for avoiding obstacles; Details related to the place where the driver is accommodated
  • A47L11/4072 - Arrangement of castors or wheels
  • A47L11/4088 - Supply pumps; Spraying devices; Supply conduits
  • Y10T29/481 - Method

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 029 - Metal working