398645

Information

• Patent Grant
• 398645

• References
• Source

• Patent Number

  398,645

• Date Filed

  Not available

• Date Issued

  Tuesday, February 26, 1889
  135 years ago

• CPC

  • F28F9/22 - Arrangements for directing heat-exchange media into successive compartments
  • Y10S165/437 - Coiled

• US Classifications

  • 165 - Heat exchange
  • 122 - Liquid heaters and vaporizers
  • 285 - Pipe joints or couplings