3821899

Information

• Patent Grant
• 3821899

• References
• Source

• Patent Number

  3,821,899

• Date Filed

  Not available

• Date Issued

  Tuesday, July 2, 1974
  50 years ago

• CPC

  • G01F1/06 - using rotating vanes with tangential admission
  • G01F3/065 - sliding-vane meters

• US Classifications

  • 073 - Measuring and testing
  • 418 - Rotary expansible chamber devices