2257867

Information

• Patent Grant
• 2257867

• References
• Source

• Patent Number

  2,257,867

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1941
  84 years ago

• CPC

  • F04D29/061 - especially adapted for liquid pumps
  • F04D29/2233 - entirely open or stamped from one sheet
  • Y10T29/49316 - Impeller making

• US Classifications

  • 415 - Rotary kinetic fluid motors or pumps
  • 029 - Metal working
  • 241 - Solid material comminution or disintegration