3683807

Information

• Patent Grant
• 3683807

• References
• Source

• Patent Number

  3,683,807

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1972
  52 years ago

• CPC

  • B41L9/00 - Apparatus for indirectly duplicating from hectographic originals by means of hectographic intermediaries or transfer surfaces
  • B41M5/0358 - characterised by the mechanisms or artifacts to obtain the transfer

• US Classifications

  • 101 - Printing
  • 219 - Electric heating
  • 250 - Radiant energy
  • 347 - Incremental printing of symbolic information