723668

Information

• Patent Grant
• 723668

• References
• Source

• Patent Number

  723,668

• Date Filed

  Not available

• Date Issued

  Tuesday, March 24, 1903
  121 years ago

• CPC

  • F28F21/04 - of ceramic of concrete of natural stone
  • Y10S165/453 - Plural elements arranged to form a fluid passage

• US Classifications

  • 165 - Heat exchange
  • 048 - Gas: heating and illuminating
  • 122 - Liquid heaters and vaporizers
  • 202 - Distillation: apparatus