3174240

Information

• Patent Grant
• 3174240

• References
• Source

• Patent Number

  3,174,240

• Date Filed

  Not available

• Date Issued

  Tuesday, March 23, 1965
  59 years ago

• CPC

  • B42F21/08 - in one of a number of predetermined positions
  • B42F21/00 - Indexing means Indexing tabs or protectors therefor

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 359 - Optical: systems and elements