3606692

Information

• Patent Grant
• 3606692

• References
• Source

• Patent Number

  3,606,692

• Date Filed

  Not available

• Date Issued

  Tuesday, September 21, 1971
  53 years ago

• CPC

  • B42F17/32 - with means for staggering cards already in the file

• US Classifications

  • 040 - Card, picture, or sign exhibiting