1939156

Information

• Patent Grant
• 1939156

• References
• Source

• Patent Number

  1,939,156

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1933
  91 years ago

• CPC

  • B64C11/00 - Propellers
  • B64D2700/62701 - operated by hydraulic power
  • Y10S60/904 - Propeller or air plane system

• US Classifications

  • 244 - Aeronautics and astronautics
  • 060 - Power plants