3655444

Information

• Patent Grant
• 3655444

• References
• Source

• Patent Number

  3,655,444

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1972
  53 years ago

• CPC

  • A47L11/4069 - Driving or transmission means for the cleaning tools
  • A47L11/12 - with reciprocating or oscillating tools
  • A47L11/284 - having reciprocating tools
  • A47L11/34 - Machines for treating carpets in position by liquid, foam, or vapour
  • A47L11/4038 - Disk shaped surface treating tools

• US Classifications

  • 134 - Cleaning and liquid contact with solids
  • 015 - Brushing, scrubbing, and general cleaning