3489388

Information

• Patent Grant
• 3489388

• References
• Source

• Patent Number

  3,489,388

• Date Filed

  Not available

• Date Issued

  Tuesday, January 13, 1970
  55 years ago

• CPC

  • F16K11/074 - with flat sealing faces
  • B23Q35/36 - for control of a hydraulic or pneumatic copying system
  • F15B13/04 - for use with a single servomotor
  • Y10T137/86574 - Supply and exhaust

• US Classifications

  • 251 - Valves and valve actuation
  • 137 - Fluid handling