1224335

Information

• Patent Grant
• 1224335

• References
• Source

• Patent Number

  1,224,335

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1917
  108 years ago

• CPC

  • F28D7/024 - the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
  • Y10S165/405 - Extending in a longitudinal direction

• US Classifications

  • 165 - Heat exchange