2852034

Information

• Patent Grant
• 2852034

• References
• Source

• Patent Number

  2,852,034

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1958
  66 years ago

• CPC

  • F16L55/07 - Arrangement or mounting of devices
  • E03C1/1225 - of air admittance valves
  • E03C1/295 - using air-supply valves
  • F16L41/02 - Branch units
  • Y10T137/3258 - Automatic valve in vent line
  • Y10T137/3294 - Valved

• US Classifications

  • 137 - Fluid handling
  • 004 - Baths, closets, sinks, and spittoons
  • 251 - Valves and valve actuation