1799691

Information

• Patent Grant
• 1799691

• References
• Source

• Patent Number

  1,799,691

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1931
  93 years ago

• CPC

  • F28F1/02 - Tubular elements of cross-section which is non-circular
  • Y10S165/463 - Conduits oblong in cross section

• US Classifications

  • 165 - Heat exchange