3774296

Information

• Patent Grant
• 3774296

• References
• Source

• Patent Number

  3,774,296

• Date Filed

  Not available

• Date Issued

  Tuesday, November 27, 1973
  51 years ago

• CPC

  • F16J12/00 - Pressure vessels in general
  • B21C37/154 - Making multi-wall tubes
  • B23K5/006 - specially adapted for particular articles or work

• US Classifications

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