2111975

Information

• Patent Grant
• 2111975

• References
• Source

• Patent Number

  2,111,975

• Date Filed

  Not available

• Date Issued

  Tuesday, March 22, 1938
  86 years ago

• CPC

  • B64C27/023 - Construction of the blades; Coating of the blades

• US Classifications

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