2077972

Information

• Patent Grant
• 2077972

• References
• Source

• Patent Number

  2,077,972

• Date Filed

  Not available

• Date Issued

  Tuesday, April 20, 1937
  87 years ago

• CPC

  • F16K31/56 - without stable intermediate position
  • Y10T137/86919 - Sequentially closing and opening alternately seating flow controllers
  • Y10T137/87008 - Screw-actuated differential valves
  • Y10T137/87169 - Supply and exhaust
  • Y10T137/87241 - Biased closed

• US Classifications

  • 137 - Fluid handling