2340981

Information

• Patent Grant
• 2340981

• References
• Source

• Patent Number

  2,340,981

• Date Filed

  Not available

• Date Issued

  Tuesday, February 8, 1944
  80 years ago

• CPC

  • C10B29/04 - Controlling or preventing expansion or contraction

• US Classifications

  • 202 - Distillation: apparatus