1231968

Information

• Patent Grant
• 1231968

• References
• Source

• Patent Number

  1,231,968

• Date Filed

  Not available

• Date Issued

  Tuesday, July 3, 1917
  107 years ago

• CPC

  • B41F27/1256 - with two semi-cylinders movable relative to each other
  • B41F27/1281 - details of the printing plate ends

• US Classifications

  • 101 - Printing