1330894

Information

• Patent Grant
• 1330894

• References
• Source

• Patent Number

  1,330,894

• Date Filed

  Not available

• Date Issued

  Tuesday, February 17, 1920
  104 years ago

• CPC

  • B42D3/02 - made of special materials
  • B42D3/08 - Ornamented covers

• US Classifications

  • 281 - Books, strips, and leaves
  • 402 - Binder device releasably engaging aperture or notch of sheet