39688

Information

• Patent Grant
• 39688

• References
• Source

• Patent Number

  39,688

• Date Filed

  Not available

• Date Issued

  Tuesday, August 25, 1863
  161 years ago

• CPC

  • F28D7/024 - the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
  • Y10S165/436 - Bent conduit assemblies

• US Classifications

  • 165 - Heat exchange