1750427

Information

• Patent Grant
• 1750427

• References
• Source

• Patent Number

  1,750,427

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1930
  95 years ago

• CPC

  • E03D1/186 - with flushing valves

• US Classifications

  • 004 - Baths, closets, sinks, and spittoons
  • 181 - Acoustics