1491920

Information

• Patent Grant
• 1491920

• References
• Source

• Patent Number

  1,491,920

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1924
  100 years ago

• CPC

  • E03D1/087 - by pump, valve, or the like, in the short leg of the siphon or a vacuum pump in the long leg of the siphon

• US Classifications

  • 004 - Baths, closets, sinks, and spittoons