3688809

Information

• Patent Grant
• 3688809

• References
• Source

• Patent Number

  3,688,809

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1972
  52 years ago

• CPC

  • B42B5/123 - Devices for assembling the elements with the stack of sheets
  • B42B5/126 - combined with manufacturing of the elements

• US Classifications

  • 140 - Wireworking
  • 072 - Metal deforming