3730884

Information

• Patent Grant
• 3730884

• References
• Source

• Patent Number

  3,730,884

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1973
  51 years ago

• CPC

  • E03F1/006 - Pneumatic sewage disposal systems; accessories specially adapted therefore
  • E03F1/007 - for public or main systems
  • C02F2307/08 - Treatment of wastewater in the sewer
  • Y10T137/3127 - With gas maintenance or application
  • Y10T137/402 - Distribution systems involving geographic features

• US Classifications

  • 406 - Conveyors: fluid current
  • 004 - Baths, closets, sinks, and spittoons
  • 137 - Fluid handling
  • 210 - Liquid purification or separation