3647318

Information

• Patent Grant
• 3647318

• References
• Source

• Patent Number

  3,647,318

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1972
  52 years ago

• CPC

  • B21D53/78 - propeller blades turbine blades
  • B63H1/26 - Blades
  • B64C11/24 - Hollow blades

• US Classifications

  • 416 - Fluid reaction surfaces