2881801

Information

• Patent Grant
• 2881801

• References
• Source

• Patent Number

  2,881,801

• Date Filed

  Not available

• Date Issued

  Tuesday, April 14, 1959
  65 years ago

• CPC

  • F15B13/0405 - for seat valves
  • F15B13/0431 - the electrical control resulting in an on-off function
  • F16K31/402 - acting on a diaphragm
  • F16K31/406 - acting on a piston
  • Y10T137/5196 - Unit orientable in a single location between plural positions
  • Y10T137/524 - Reversible stop and vent or waste

• US Classifications

  • 137 - Fluid handling
  • 091 - Motors: expansible chamber type