3139809

Information

• Patent Grant
• 3139809

• References
• Source

• Patent Number

  3,139,809

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1964
  60 years ago

• CPC

  • B42F17/32 - with means for staggering cards already in the file
  • Y10T24/11 - Album fasteners

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 024 - Buckles, buttons, clasps, etc.
  • 206 - Special receptacle or package
  • 211 - Supports: racks
  • 270 - Sheet-material associating
  • 396 - Photography