2231253

Information

• Patent Grant
• 2231253

• References
• Source

• Patent Number

  2,231,253

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1941
  84 years ago

• CPC

  • B41K3/60 - using rollers
  • B41J11/62 - Shields or masks

• US Classifications

  • 101 - Printing