2831278

Information

• Patent Grant
• 2831278

• References
• Source

• Patent Number

  2,831,278

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1958
  66 years ago

• CPC

  • B42D5/065 - having plural perforation lines
  • B42D5/042 - Diaries; Memorandum calendars

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 283 - Printed matter