2166019

Information

• Patent Grant
• 2166019

• References
• Source

• Patent Number

  2,166,019

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1939
  85 years ago

• CPC

  • B42D5/048 - movable-strip-type calendars

• US Classifications

  • 281 - Books, strips, and leaves