1670308

Information

• Patent Grant
• 1670308

• References
• Source

• Patent Number

  1,670,308

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1928
  98 years ago

• CPC

  • G01F1/06 - using rotating vanes with tangential admission
  • D01H7/047 - with springs

• US Classifications

  • 073 - Measuring and testing
  • 384 - Bearings