2997947

Information

• Patent Grant
• 2997947

• References
• Source

• Patent Number

  2,997,947

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1961
  63 years ago

• CPC

  • B41L11/00 - Apparatus for directly duplicating from hectographic masters in mirror image
  • B41L17/06 - with curved printing surfaces
  • B41L19/00 - Duplicating or printing apparatus or machines for office or other commercial purposes, of special types or for particular purposes and not otherwise provided for
  • B41P2700/10 - Hectographic line duplicators

• US Classifications

  • 101 - Printing