1521138

Information

• Patent Grant
• 1521138

• References
• Source

• Patent Number

  1,521,138

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1924
  100 years ago

• CPC

  • F25J3/04648 - argon
  • F25J3/04624 - using integrated mass and heat exchange, so-called non-adiabatic rectification

• US Classifications

  • 062 - Refrigeration