3748971

Information

• Patent Grant
• 3748971

• References
• Source

• Patent Number

  3,748,971

• Date Filed

  Not available

• Date Issued

  Tuesday, July 31, 1973
  51 years ago

• CPC

  • B42F15/023 - joined from above
  • Y10S493/947 - File folder
  • Y10S493/968 - Structural shape

• US Classifications

  • 493 - Manufacturing container or tube from paper