3254644

Information

• Patent Grant
• 3254644

• References
• Source

• Patent Number

  3,254,644

• Date Filed

  Not available

• Date Issued

  Tuesday, June 7, 1966
  58 years ago

• CPC

  • F24J2/247 - the conduits being spirally coiled
  • Y02E10/44 - Heat exchange systems

• US Classifications

  • 126 - Stoves and furnaces