2231343

Information

• Patent Grant
• 2231343

• References
• Source

• Patent Number

  2,231,343

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1941
  83 years ago

• CPC

  • B64C11/002 - Braking propellers

• US Classifications

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