1321230

Information

• Patent Grant
• 1321230

• References
• Source

• Patent Number

  1,321,230

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1919
  105 years ago

• CPC

  • F25B40/00 - Subcoolers, desuperheaters or superheaters
  • E21D1/12 - by freezing
  • F25B2339/047 - Water-cooled condensers
  • F25B2700/1933 - Suction pressures

• US Classifications

  • 062 - Refrigeration