2192607

Information

• Patent Grant
• 2192607

• References
• Source

• Patent Number

  2,192,607

• Date Filed

  Not available

• Date Issued

  Tuesday, March 5, 1940
  84 years ago

• CPC

  • B42D5/001 - perforated or punched sheets
  • B42D5/006 - combined with auxiliary devices

• US Classifications

  • 281 - Books, strips, and leaves
  • D19 - Office supplies