3530637

Information

• Patent Grant
• 3530637

• References
• Source

• Patent Number

  3,530,637

• Date Filed

  Not available

• Date Issued

  Tuesday, September 29, 1970
  54 years ago

• CPC

  • B21D51/34 - by pressing

• US Classifications

  • 053 - Package making
  • 493 - Manufacturing container or tube from paper