3477685

Information

• Patent Grant
• 3477685

• References
• Source

• Patent Number

  3,477,685

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1969
  55 years ago

• CPC

  • B23Q35/36 - for control of a hydraulic or pneumatic copying system
  • Y10T137/8671 - With annular passage [e.g., spool]

• US Classifications

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