2821720

Information

• Patent Grant
• 2821720

• References
• Source

• Patent Number

  2,821,720

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1958
  67 years ago

• CPC

  • E03D1/07 - with movable or deformable siphon tubes

• US Classifications

  • 004 - Baths, closets, sinks, and spittoons