3522013

Information

• Patent Grant
• 3522013

• References
• Source

• Patent Number

  3,522,013

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1970
  54 years ago

• CPC

  • C02F1/688 - Devices in which the water progressively dissolves a solid compound
  • Y10T137/7319 - By float
  • Y10T137/7384 - Pilot float released
  • Y10T137/7404 - Plural floats
  • Y10T137/7426 - Float co-axial with valve or port

• US Classifications

  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 004 - Baths, closets, sinks, and spittoons
  • 137 - Fluid handling
  • 210 - Liquid purification or separation