3500489

Information

• Patent Grant
• 3500489

• References
• Source

• Patent Number

  3,500,489

• Date Filed

  Not available

• Date Issued

  Tuesday, March 17, 1970
  54 years ago

• CPC

  • A47L15/39 - with brushes on movable supports
  • A47L15/0068 - with brushes or similar scraping members

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning