1618797

Information

• Patent Grant
• 1618797

• References
• Source

• Patent Number

  1,618,797

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1927
  98 years ago

• CPC

  • F28F9/10 - by screw-type connections
  • F28F9/0138 - formed by sleeves for finned tubes

• US Classifications

  • 165 - Heat exchange