1870670

Information

• Patent Grant
• 1870670

• References
• Source

• Patent Number

  1,870,670

• Date Filed

  Not available

• Date Issued

  Tuesday, August 9, 1932
  92 years ago

• CPC

  • F22B37/101 - Tubes having fins or ribs
  • Y10S165/442 - Conduits

• US Classifications

  • 165 - Heat exchange
  • 122 - Liquid heaters and vaporizers
  • 123 - Internal-combustion engines