1397584

Information

• Patent Grant
• 1397584

• References
• Source

• Patent Number

  1,397,584

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1921
  103 years ago

• CPC

  • A47L11/4069 - Driving or transmission means for the cleaning tools
  • A47L11/294 - having reciprocating tools
  • A47L11/4038 - Disk shaped surface treating tools
  • A47L11/4047 - Wound-up or endless cleaning belts
  • A47L11/4055 - for lifting the tools to a non-working position
  • A47L11/4058 - for adjusting the height of the tool

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning