1352520

Information

• Patent Grant
• 1352520

• References
• Source

• Patent Number

  1,352,520

• Date Filed

  Not available

• Date Issued

  Tuesday, September 14, 1920
  104 years ago

• CPC

  • A47L5/06 - with rotary fans

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning