2977698

Information

• Patent Grant
• 2977698

• References
• Source

• Patent Number

  2,977,698

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1961
  63 years ago

• CPC

  • G09F3/18 - Casings, frames or enclosures for labels
  • B42D3/008 - applied on the back of book covers

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 402 - Binder device releasably engaging aperture or notch of sheet