238905

Information

• Patent Grant
• 238905

• References
• Source

• Patent Number

  238,905

• Date Filed

  Not available

• Date Issued

  Tuesday, March 15, 1881
  144 years ago

• CPC

  • F28D1/03 - with plate-like or laminated conduits
  • Y10S165/336 - Angled air draft passage

• US Classifications

  • 165 - Heat exchange