3677580

Information

• Patent Grant
• 3677580

• References
• Source

• Patent Number

  3,677,580

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1972
  52 years ago

• CPC

  • F16L13/0209 - Male-female welded joints
  • F16L13/04 - with arrangements for preventing over-stressing

• US Classifications

  • 285 - Pipe joints or couplings