1446896

Information

• Patent Grant
• 1446896

• References
• Source

• Patent Number

  1,446,896

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1923
  102 years ago

• CPC

  • B28D1/185 - for brick cleaning

• US Classifications

  • 125 - Stone working
  • 015 - Brushing, scrubbing, and general cleaning