1255173

Information

• Patent Grant
• 1255173

• References
• Source

• Patent Number

  1,255,173

• Date Filed

  Not available

• Date Issued

  Tuesday, February 5, 1918
  107 years ago

• CPC

  • F28D1/0358 - the conduits being formed by bent plates
  • Y10S165/386 - To form only air passages

• US Classifications

  • 165 - Heat exchange