2874397

Information

• Patent Grant
• 2874397

• References
• Source

• Patent Number

  2,874,397

• Date Filed

  Not available

• Date Issued

  Tuesday, February 24, 1959
  65 years ago

• CPC

  • A47L11/4088 - Supply pumps; Spraying devices; Supply conduits
  • A47L11/294 - having reciprocating tools
  • A47L11/4005 - Arrangements of batteries or cells; Electric power supply arrangements
  • A47L11/4016 - specially adapted for collecting fluids
  • A47L11/4036 - Parts or details of the surface treating tools
  • A47L11/4044 - Vacuuming or pick-up tools; Squeegees
  • A47L11/4047 - Wound-up or endless cleaning belts
  • A47L11/4058 - for adjusting the height of the tool
  • A47L11/4061 - Steering means; Means for avoiding obstacles; Details related to the place where the driver is accommodated
  • A47L11/4069 - Driving or transmission means for the cleaning tools

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning