1519643

Information

• Patent Grant
• 1519643

• References
• Source

• Patent Number

  1,519,643

• Date Filed

  Not available

• Date Issued

  Tuesday, December 16, 1924
  100 years ago

• CPC

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

• US Classifications

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