2193934

Information

• Patent Grant
• 2193934

• References
• Source

• Patent Number

  2,193,934

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1940
  84 years ago

• CPC

  • A21C1/105 - the gas being introduced through the shaft of a rotary tool

• US Classifications

  • 261 - Gas and liquid contact apparatus
  • 366 - Agitating