2338228

Information

• Patent Grant
• 2338228

• References
• Source

• Patent Number

  2,338,228

• Date Filed

  Not available

• Date Issued

  Tuesday, January 4, 1944
  80 years ago

• CPC

  • C12M27/24 - Draft tube
  • C12M41/20 - the heat transfer medium being a gas

• US Classifications

  • 435 - Chemistry: molecular biology and microbiology
  • 261 - Gas and liquid contact apparatus