1956524

Information

• Patent Grant
• 1956524

• References
• Source

• Patent Number

  1,956,524

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1934
  90 years ago

• CPC

  • A01K63/003 - Aquaria; Terraria
  • Y10T137/3185 - Air vent in liquid flow line
  • Y10T137/86356 - Nondraining overflow type

• US Classifications

  • 137 - Fluid handling
  • 004 - Baths, closets, sinks, and spittoons
  • 119 - Animal husbandry
  • 210 - Liquid purification or separation
  • 261 - Gas and liquid contact apparatus