3664688

Information

• Patent Grant
• 3664688

• References
• Source

• Patent Number

  3,664,688

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1972
  52 years ago

• CPC

  • F16L37/54 - for pipes under pressure which are supported only on one side
  • F16L1/0243 - above ground

• US Classifications

  • 285 - Pipe joints or couplings