1239491

Information

• Patent Grant
• 1239491

• References
• Source

• Patent Number

  1,239,491

• Date Filed

  Not available

• Date Issued

  Tuesday, September 11, 1917
  107 years ago

• CPC

  • F28F1/128 - Fins with openings
  • Y10S165/447 - Corrugated sheet
  • Y10S165/903 - Convection
  • Y10S165/907 - Porous

• US Classifications

  • 165 - Heat exchange