1921968

Information

• Patent Grant
• 1921968

• References
• Source

• Patent Number

  1,921,968

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1933
  91 years ago

• CPC

  • B42F21/02 - Tabs integral with sheets, papers, cards, or suspension files
  • B42F17/30 - modified for particular uses

• US Classifications

  • 040 - Card, picture, or sign exhibiting