238809

Information

• Patent Grant
• 238809

• References
• Source

• Patent Number

  238,809

• Date Filed

  Not available

• Date Issued

  Tuesday, March 15, 1881
  144 years ago

• CPC

  • F28D11/04 - performed by a tube or a bundle of tubes
  • Y10S165/137 - Unconstrained movement

• US Classifications

  • 165 - Heat exchange