1440217

Information

• Patent Grant
• 1440217

• References
• Source

• Patent Number

  1,440,217

• Date Filed

  Not available

• Date Issued

  Tuesday, December 26, 1922
  103 years ago

• CPC

  • F28F1/34 - and extending obliquely
  • Y10S165/454 - having side-by-side conduits structure or conduit section

• US Classifications

  • 165 - Heat exchange