1515979

Information

• Patent Grant
• 1515979

• References
• Source

• Patent Number

  1,515,979

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1924
  100 years ago

• CPC

  • F01P7/10 - by throttling amount of air flowing through liquid-to-air heat exchangers
  • Y10S165/097 - Plural parallel pivotable shutters

• US Classifications

  • 165 - Heat exchange
  • 049 - Movable or removable closures