1818384

Information

• Patent Grant
• 1818384

• References
• Source

• Patent Number

  1,818,384

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1931
  93 years ago

• CPC

  • B41F22/005 - using a back grey cloth

• US Classifications

  • 101 - Printing
  • 226 - Advancing material of indeterminate length