3579871

Information

• Patent Grant
• 3579871

• References
• Source

• Patent Number

  3,579,871

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1971
  53 years ago

• CPC

  • B43L1/126 - withinterposed adhesive substances
  • B42D5/006 - combined with auxiliary devices

• US Classifications

  • 434 - Education and demonstration
  • 281 - Books, strips, and leaves