2194163

Information

• Patent Grant
• 2194163

• References
• Source

• Patent Number

  2,194,163

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1940
  84 years ago

• CPC

  • F16L55/02727 - placed parallel to the axis of the pipe

• US Classifications

  • 181 - Acoustics
  • 138 - Pipes and tubular conduits