2117234

Information

• Patent Grant
• 2117234

• References
• Source

• Patent Number

  2,117,234

• Date Filed

  Not available

• Date Issued

  Tuesday, May 10, 1938
  86 years ago

• CPC

  • B64C17/08 - by ballast supply or discharge

• US Classifications

  • 244 - Aeronautics and astronautics