3821931

Information

• Patent Grant
• 3821931

• References
• Source

• Patent Number

  3,821,931

• Date Filed

  Not available

• Date Issued

  Tuesday, July 2, 1974
  50 years ago

• CPC

  • B41L17/06 - with curved printing surfaces
  • G03G15/228 - the process involving the formation of a master
  • Y10S101/37 - Printing employing electrostatic force

• US Classifications

  • 101 - Printing