1920313

Information

• Patent Grant
• 1920313

• References
• Source

• Patent Number

  1,920,313

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1933
  91 years ago

• CPC

  • F28D1/053 - the conduits being straight
  • Y10S165/504 - Contoured fin surface

• US Classifications

  • 165 - Heat exchange