1930380

Information

• Patent Grant
• 1930380

• References
• Source

• Patent Number

  1,930,380

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1933
  91 years ago

• CPC

  • B64C27/028 - Other constructional elements; Rotor balancing

• US Classifications

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