2142460

Information

• Patent Grant
• 2142460

• References
• Source

• Patent Number

  2,142,460

• Date Filed

  Not available

• Date Issued

  Tuesday, January 3, 1939
  86 years ago

• CPC

  • B42D3/008 - applied on the back of book covers

• US Classifications

  • 281 - Books, strips, and leaves
  • 283 - Printed matter