1486190

Information

• Patent Grant
• 1486190

• References
• Source

• Patent Number

  1,486,190

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1924
  100 years ago

• CPC

  • H01T21/04 - Cleaning

• US Classifications

  • 007 - Compound tools
  • 015 - Brushing, scrubbing, and general cleaning
  • 324 - Electricity: measuring and testing