2572188

Information

• Patent Grant
• 2572188

• References
• Source

• Patent Number

  2,572,188

• Date Filed

  Not available

• Date Issued

  Tuesday, October 23, 1951
  73 years ago

• CPC

  • B64C11/005 - Spiral-shaped propellers

• US Classifications

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