1967717

Information

• Patent Grant
• 1967717

• References
• Source

• Patent Number

  1,967,717

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1934
  90 years ago

• CPC

  • F25J3/0443 - A main column system not otherwise provided
  • F25J3/04933 - Partitioning walls or sheets
  • F25J2200/52 - in the high pressure column of a double pressure main column system
  • F25J2200/54 - in the low pressure column of a double pressure main column system

• US Classifications

  • 062 - Refrigeration