3143998

Information

• Patent Grant
• 3143998

• References
• Source

• Patent Number

  3,143,998

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1964
  60 years ago

• CPC

  • B42D3/145 - attached to the back of the cover

• US Classifications

  • 116 - Signals and indicators
  • 281 - Books, strips, and leaves