2044443

Information

• Patent Grant
• 2044443

• References
• Source

• Patent Number

  2,044,443

• Date Filed

  Not available

• Date Issued

  Tuesday, June 16, 1936
  88 years ago

• CPC

  • E03C1/108 - having an aerating valve
  • Y10T137/2567 - Alternate or successive inflows
  • Y10T137/3258 - Automatic valve in vent line
  • Y10T137/3294 - Valved

• US Classifications

  • 137 - Fluid handling
  • 004 - Baths, closets, sinks, and spittoons
  • 092 - Expansible chamber devices