2974679

Information

• Patent Grant
• 2974679

• References
• Source

• Patent Number

  2,974,679

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1961
  63 years ago

• CPC

  • F16K31/145 - the fluid acting on a diaphragm
  • Y10T137/7765 - Pilot valve within main valve head
  • Y10T137/7767 - Loose fitting piston

• US Classifications

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