3509683

Information

• Patent Grant
• 3509683

• References
• Source

• Patent Number

  3,509,683

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1970
  54 years ago

• CPC

  • B65B53/02 - by heat
  • B65B7/167 - Securing by heat-shrinking

• US Classifications

  • 053 - Package making