3418933

Information

• Patent Grant
• 3418933

• References
• Source

• Patent Number

  3,418,933

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1968
  56 years ago

• CPC

  • B41L11/00 - Apparatus for directly duplicating from hectographic masters in mirror image
  • B41F13/18 - Impression cylinders
  • B41J11/04 - Roller platens
  • B41K3/02 - with stamping surface located above article-supporting surface
  • B41L5/06 - by means of rollers, wheels, or chains
  • 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
  • 400 - Typewriting machines