1775041

Information

• Patent Grant
• 1775041

• References
• Source

• Patent Number

  1,775,041

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1930
  94 years ago

• CPC

  • F28F1/325 - Fins with openings
  • Y10S165/463 - Conduits oblong in cross section

• US Classifications

  • 165 - Heat exchange
  • 126 - Stoves and furnaces