3702909

Information

• Patent Grant
• 3702909

• References
• Source

• Patent Number

  3,702,909

• Date Filed

  Not available

• Date Issued

  Tuesday, November 14, 1972
  52 years ago

• CPC

  • G05B19/46 - hydraulic
  • G05B19/43 - fluidic
  • G05B19/44 - pneumatic
  • Y10S200/43 - Fluid-operated matrix switches
  • Y10T137/8192 - Unobvious - "combination lock" type
  • Y10T137/87716 - For valve having a flexible diaphragm valving member
  • Y10T137/87885 - Sectional block structure

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 137 - Fluid handling