1994618

Information

• Patent Grant
• 1994618

• References
• Source

• Patent Number

  1,994,618

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1935
  89 years ago

• CPC

  • F16K5/222 - for plugs with conical surfaces
  • Y10T137/4365 - Plural feed
  • Y10T137/4386 - Loss control
  • Y10T137/4435 - Spring biased piston feed
  • Y10T137/88054 - Direct response normally closed valve limits direction of flow

• US Classifications

  • 137 - Fluid handling
  • 184 - Lubrication