2816379

Information

• Patent Grant
• 2816379

• References
• Source

• Patent Number

  2,816,379

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1957
  67 years ago

• CPC

  • B42F17/32 - with means for staggering cards already in the file
  • B42F17/30 - modified for particular uses

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 150 - Purses, wallets, and protective covers
  • 248 - Supports
  • D16 - Photography and optical equipment