1861506

Information

• Patent Grant
• 1861506

• References
• Source

• Patent Number

  1,861,506

• Date Filed

  Not available

• Date Issued

  Tuesday, June 7, 1932
  92 years ago

• CPC

  • G05D16/0602 - two controllers being mounted in series
  • Y10S411/932 - Oppositely threaded
  • Y10T137/7781 - With separate connected fluid reactor surface
  • Y10T137/7794 - With relief valve
  • Y10T137/7828 - Valve head on yoke
  • Y10T137/7832 - Plural valves biased closed
  • Y10T137/87917 - Flow path with serial valves and/or closures

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener