673180

Information

• Patent Grant
• 673180

• References
• Source

• Patent Number

  673,180

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1901
  123 years ago

• CPC

  • F28D7/08 - the conduits being otherwise bent
  • Y10S165/164 - Film flow constrained to spiral path

• US Classifications

  • 165 - Heat exchange
  • 048 - Gas: heating and illuminating