1890747

Information

• Patent Grant
• 1890747

• References
• Source

• Patent Number

  1,890,747

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1932
  92 years ago

• CPC

  • B21D53/78 - propeller blades turbine blades
  • Y10S29/041 - Taper tube making
  • Y10T29/49332 - Propeller making

• US Classifications

  • 029 - Metal working
  • 416 - Fluid reaction surfaces