2307381

Information

• Patent Grant
• 2307381

• References
• Source

• Patent Number

  2,307,381

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1943
  82 years ago

• CPC

  • B64C39/006 - about a vertical axis

• US Classifications

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