2731933

Information

• Patent Grant
• 2731933

• References
• Source

• Patent Number

  2,731,933

• Date Filed

  Not available

• Date Issued

  Tuesday, January 24, 1956
  69 years ago

• CPC

  • F16L13/0227 - having an inner ring

• US Classifications

  • 228 - Metal fusion bonding
  • 285 - Pipe joints or couplings