3719984

Information

• Patent Grant
• 3719984

• References
• Source

• Patent Number

  3,719,984

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1973
  51 years ago

• CPC

  • B21D51/12 - objects with corrugated walls
  • B21D51/04 - built-up objects
  • B21D53/24 - nuts or like thread-engaging members
  • B65D59/06 - Caps
  • F16L57/005 - specially adapted for the ends of pipes

• US Classifications

  • 228 - Metal fusion bonding
  • 138 - Pipes and tubular conduits