2220729

Information

• Patent Grant
• 2220729

• References
• Source

• Patent Number

  2,220,729

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1940
  84 years ago

• CPC

  • E03F5/26 - Installations for stirring-up sewage
  • E03C1/2665 - Disintegrating apparatus specially adapted for installation in waste pipes or outlets

• US Classifications

  • 241 - Solid material comminution or disintegration
  • 004 - Baths, closets, sinks, and spittoons