3504693

Information

• Patent Grant
• 3504693

• References
• Source

• Patent Number

  3,504,693

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1970
  54 years ago

• CPC

  • F15C3/06 - using balls or pill-shaped disks
  • Y10T137/2202 - By movable element
  • Y10T137/2678 - Four port reversing valve

• US Classifications

  • 137 - Fluid handling
  • 235 - Registers