2758664

Information

• Patent Grant
• 2758664

• References
• Source

• Patent Number

  2,758,664

• Date Filed

  Not available

• Date Issued

  Tuesday, August 14, 1956
  68 years ago

• CPC

  • E03C1/288 - having non-return valves against return of waste water
  • E03F5/0401 - Gullies for use in roads or pavements
  • E03F5/041 - Accessories therefor
  • F16K31/22 - with the float rigidly connected to the valve
  • E03F2005/0417 - in the form of a valve
  • Y10T137/7436 - Float rigid with valve
  • Y10T137/7504 - Removable valve head and seat unit
  • Y10T137/7775 - Spring stop on supported valve stem
  • Y10T137/784 - Integral resilient member forms plural valves

• US Classifications

  • 137 - Fluid handling
  • 285 - Pipe joints or couplings