2699224

Information

• Patent Grant
• 2699224

• References
• Source

• Patent Number

  2,699,224

• Date Filed

  Not available

• Date Issued

  Tuesday, January 11, 1955
  70 years ago

• CPC

  • B03C3/766 - with pneumatic rappers

• US Classifications

  • 096 - Gas separation: apparatus
  • 091 - Motors: expansible chamber type
  • 173 - Tool driving or impacting