1438741

Information

• Patent Grant
• 1438741

• References
• Source

• Patent Number

  1,438,741

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1922
  102 years ago

• CPC

  • B25G3/06 - with multiple socket

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning