3917325

Information

• Patent Grant
• 3917325

• References
• Source

• Patent Number

  3,917,325

• Date Filed

  Not available

• Date Issued

  Tuesday, November 4, 1975
  49 years ago

• CPC

  • F16L21/025 - Rolling sealing rings
  • F16L21/022 - used with sleeves or nipples for pipes of the same diameter, or with reduction pieces
  • Y10S285/915 - Mastic

• US Classifications

  • 285 - Pipe joints or couplings