1533919

Information

• Patent Grant
• 1533919

• References
• Source

• Patent Number

  1,533,919

• Date Filed

  Not available

• Date Issued

  Tuesday, April 14, 1925
  99 years ago

• CPC

  • A47L5/06 - with rotary fans

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning