1712922

Information

• Patent Grant
• 1712922

• References
• Source

• Patent Number

  1,712,922

• Date Filed

  Not available

• Date Issued

  Tuesday, May 14, 1929
  95 years ago

• CPC

  • A47L5/08 - driven by cleaner-supporting wheels

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning