3237419

Information

• Patent Grant
• 3237419

• References
• Source

• Patent Number

  3,237,419

• Date Filed

  Not available

• Date Issued

  Tuesday, March 1, 1966
  58 years ago

• CPC

  • F04F9/04 - in combination with fore pumps
  • F04B37/08 - by condensing or freezing
  • F25B9/004 - the refrigerant being air

• US Classifications

  • 062 - Refrigeration
  • 417 - Pumps