2190773

Information

• Patent Grant
• 2190773

• References
• Source

• Patent Number

  2,190,773

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1940
  85 years ago

• CPC

  • E03D9/14 - Noise-reducing means combined with flushing valves
  • E03D1/266 - exclusively provided with flushing valves as flushing mechanisms
  • E03D1/302 - with valves kept in open position by means of air or water pressure or by vacuum
  • E03D3/04 - with piston valve and pressure chamber for retarding the valve-closing movement

• US Classifications

  • 004 - Baths, closets, sinks, and spittoons