3581658

Information

• Patent Grant
• 3581658

• References
• Source

• Patent Number

  3,581,658

• Date Filed

  Not available

• Date Issued

  Tuesday, June 1, 1971
  53 years ago

• CPC

  • B41L11/00 - Apparatus for directly duplicating from hectographic masters in mirror image
  • B41P2700/12 - with single master plates

• US Classifications

  • 101 - Printing