2389876

Information

• Patent Grant
• 2389876

• References
• Source

• Patent Number

  2,389,876

• Date Filed

  Not available

• Date Issued

  Tuesday, November 27, 1945
  79 years ago

• CPC

  • B21C23/16 - Making turbo blades or propellers
  • F01D5/147 - Construction, i.e. structural features
  • Y10T29/49339 - Hollow blade

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working