3639936

Information

• Patent Grant
• 3639936

• References
• Source

• Patent Number

  3,639,936

• Date Filed

  Not available

• Date Issued

  Tuesday, February 8, 1972
  53 years ago

• CPC

  • A47L11/4055 - for lifting the tools to a non-working position
  • A47L11/10 - motor-driven
  • A47L11/4058 - for adjusting the height of the tool
  • E01H1/02 - Brushing apparatus

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning