2523990

Information

• Patent Grant
• 2523990

• References
• Source

• Patent Number

  2,523,990

• Date Filed

  Not available

• Date Issued

  Tuesday, September 26, 1950
  74 years ago

• CPC

  • F28D7/04 - the conduits being spirally coiled
  • Y10S165/438 - Helical

• US Classifications

  • 165 - Heat exchange