3613121

Information

• Patent Grant
• 3613121

• References
• Source

• Patent Number

  3,613,121

• Date Filed

  Not available

• Date Issued

  Tuesday, October 19, 1971
  53 years ago

• CPC

  • E03D9/14 - Noise-reducing means combined with flushing valves

• US Classifications

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