3620185

Information

• Patent Grant
• 3620185

• References
• Source

• Patent Number

  3,620,185

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1971
  53 years ago

• CPC

  • F16K37/0066 - Hydraulic or pneumatic means
  • F15B9/17 - with electrical control means
  • F15B13/16 - Special measures for feedback

• US Classifications

  • 116 - Signals and indicators
  • 073 - Measuring and testing
  • 091 - Motors: expansible chamber type