1458690

Information

• Patent Grant
• 1458690

• References
• Source

• Patent Number

  1,458,690

• Date Filed

  Not available

• Date Issued

  Tuesday, June 12, 1923
  101 years ago

• CPC

  • H01T21/04 - Cleaning

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 007 - Compound tools