3748680

Information

• Patent Grant
• 3748680

• References
• Source

• Patent Number

  3,748,680

• Date Filed

  Not available

• Date Issued

  Tuesday, July 31, 1973
  51 years ago

• CPC

  • A47L11/4041 - Roll shaped surface treating tools
  • A47L11/38 - Machines, specially adapted for cleaning walls, ceilings, roofs, or the like
  • A47L11/4061 - Steering means; Means for avoiding obstacles; Details related to the place where the driver is accommodated
  • E01H1/005 - Mobile installations, particularly for upkeeping in situ road or railway furniture, for instance road barricades, traffic signs; Mobile installations particularly for upkeeping tunnel walls

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning