2216080

Information

• Patent Grant
• 2216080

• References
• Source

• Patent Number

  2,216,080

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1940
  84 years ago

• CPC

  • B64C27/00 - Rotorcraft Rotors peculiar thereto
  • B64C2700/6277 - with driven or windmilling propellers

• US Classifications

  • 244 - Aeronautics and astronautics
  • 416 - Fluid reaction surfaces