1306976

Information

• Patent Grant
• 1306976

• References
• Source

• Patent Number

  1,306,976

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1919
  105 years ago

• CPC

  • H01L23/467 - by flowing gases
  • H01L2924/0002 - Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
  • Y10S165/308 - Coaxial impellers

• US Classifications

  • 165 - Heat exchange
  • 123 - Internal-combustion engines
  • 180 - Motor vehicles