3729812

Information

• Patent Grant
• 3729812

• References
• Source

• Patent Number

  3,729,812

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1973
  51 years ago

• CPC

  • B65D7/22 - with double walls
  • B21D51/20 - barrels
  • B65D7/045 - Casks, barrels, or drums in their entirety, e.g. beer barrels
  • B65D39/086 - Separated bung-rings made by several elements

• US Classifications

  • 228 - Metal fusion bonding