1520843

Information

• Patent Grant
• 1520843

• References
• Source

• Patent Number

  1,520,843

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1924
  100 years ago

• CPC

  • F01P7/10 - by throttling amount of air flowing through liquid-to-air heat exchangers
  • Y10S160/01 - Auto radiator screens
  • Y10S165/094 - Windowshade type

• US Classifications

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