139908

Information

• Patent Grant
• 139908

• References
• Source

• Patent Number

  139,908

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1873
  151 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