3621860

Information

• Patent Grant
• 3621860

• References
• Source

• Patent Number

  3,621,860

• Date Filed

  Not available

• Date Issued

  Tuesday, November 23, 1971
  53 years ago

• CPC

  • G05B11/44 - pneumatic only
  • G05B6/02 - electric
  • G05B11/48 - with auxiliary power
  • Y10T137/2131 - Variable or different-value power inputs
  • Y10T137/2409 - With counter-balancing pressure feedback to the modulating device

• US Classifications

  • 137 - Fluid handling