3780488

Information

• Patent Grant
• 3780488

• References
• Source

• Patent Number

  3,780,488

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1973
  51 years ago

• CPC

  • B65B51/225 - by ultrasonic welding
  • B65D77/10 - Container closures formed after filling
  • Y10S206/811 - Waterproof

• US Classifications

  • 053 - Package making
  • 206 - Special receptacle or package
  • 383 - Flexible bags