3680875

Information

• Patent Grant
• 3680875

• References
• Source

• Patent Number

  3,680,875

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1972
  52 years ago

• CPC

  • F16L17/067 - Plastics sealing rings
  • F16L37/256 - the coupling not being coaxial with the pipe

• US Classifications

  • 277 - Seal for a joint or juncture
  • 285 - Pipe joints or couplings