2187768

Information

• Patent Grant
• 2187768

• References
• Source

• Patent Number

  2,187,768

• Date Filed

  Not available

• Date Issued

  Tuesday, January 23, 1940
  85 years ago

• CPC

  • F16K17/00 - Safety valves Equalising valves
  • Y10T137/4343 - By-pass cleaning
  • Y10T137/7781 - With separate connected fluid reactor surface
  • Y10T137/7923 - With means to protect spring from fluid
  • Y10T137/7931 - Spring in inlet
  • Y10T137/87917 - Flow path with serial valves and/or closures

• US Classifications

  • 137 - Fluid handling
  • 092 - Expansible chamber devices