1227181

Information

• Patent Grant
• 1227181

• References
• Source

• Patent Number

  1,227,181

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1917
  107 years ago

• CPC

  • F01P7/10 - by throttling amount of air flowing through liquid-to-air heat exchangers
  • Y10S165/093 - Adjustable radiator face covering means

• US Classifications

  • 165 - Heat exchange
  • 160 - Flexible or portable closure, partition, or panel