2169641

Information

• Patent Grant
• 2169641

• References
• Source

• Patent Number

  2,169,641

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1939
  85 years ago

• CPC

  • B41F9/008 - Means for preventing egress of vapours
  • B41F9/00 - Rotary intaglio printing presses

• US Classifications

  • 101 - Printing