2172119

Information

• Patent Grant
• 2172119

• References
• Source

• Patent Number

  2,172,119

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1939
  85 years ago

• CPC

  • F27D25/001 - comprising breaking tools
  • F27B7/2075 - Removing incrustations

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 110 - Furnaces
  • 126 - Stoves and furnaces
  • 173 - Tool driving or impacting
  • 175 - Boring or penetrating the earth
  • 318 - Electricity: motive power systems
  • 432 - Heating