1713456

Information

• Patent Grant
• 1713456

• References
• Source

• Patent Number

  1,713,456

• Date Filed

  Not available

• Date Issued

  Tuesday, May 14, 1929
  96 years ago

• CPC

  • F28D7/024 - the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
  • Y10S165/415 - including perforations

• US Classifications

  • 165 - Heat exchange