3852836

Information

• Patent Grant
• 3852836

• References
• Source

• Patent Number

  3,852,836

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1974
  51 years ago

• CPC

  • E03F7/04 - Valves for preventing return flow
  • Y10S4/07 - House plumbing fittings
  • Y10T137/402 - Distribution systems involving geographic features
  • Y10T137/4463 - Liquid seal in liquid flow line flow liquid forms seal

• US Classifications

  • 004 - Baths, closets, sinks, and spittoons
  • 137 - Fluid handling
  • 138 - Pipes and tubular conduits