3605306

Information

• Patent Grant
• 3605306

• References
• Source

• Patent Number

  3,605,306

• Date Filed

  Not available

• Date Issued

  Monday, September 20, 1971
  53 years ago

• CPC

  • B42D15/08 - Letter-cards or letter-sheets
  • B42D5/045 - combined with auxiliary devices
  • B42D5/046 - Suspension devices therefor
  • B42D5/06 - Tear-off calendar blocks

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • D19 - Office supplies