3513498

Information

• Patent Grant
• 3513498

• References
• Source

• Patent Number

  3,513,498

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1970
  54 years ago

• CPC

  • A47L11/4069 - Driving or transmission means for the cleaning tools
  • A47L11/08 - with rotating tools
  • A47L11/33 - having means for storing dirt
  • A47L11/4013 - Contaminants collecting devices
  • A47L11/4025 - Means for emptying
  • A47L11/4041 - Roll shaped surface treating tools
  • A47L11/4044 - Vacuuming or pick-up tools; Squeegees
  • E01H1/042 - the loading means being an endless belt or an auger
  • E01H1/045 - the loading means being a rotating brush with horizontal axis

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning