1807164

Information

• Patent Grant
• 1807164

• References
• Source

• Patent Number

  1,807,164

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1931
  93 years ago

• CPC

  • F28D1/024 - with an air driving element
  • Y10S165/099 - with fan

• US Classifications

  • 165 - Heat exchange
  • 454 - Ventilation