2664847

Information

• Patent Grant
• 2664847

• References
• Source

• Patent Number

  2,664,847

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1954
  71 years ago

• CPC

  • B42D9/002 - permanently attached to the book

• US Classifications

  • 116 - Signals and indicators
  • D19 - Office supplies