2297214

Information

• Patent Grant
• 2297214

• References
• Source

• Patent Number

  2,297,214

• Date Filed

  Not available

• Date Issued

  Tuesday, September 29, 1942
  82 years ago

• CPC

  • B64D35/06 - the propellers or rotors being counter-rotating
  • B64D35/08 - characterised by the transmission being driven by a plurality of power plants
  • B64D2700/62798 - One propeller being driven by several engines
  • Y10T74/19135 - Spur

• US Classifications

  • 074 - Machine element or mechanism
  • 416 - Fluid reaction surfaces