3768904

Information

• Patent Grant
• 3768904

• References
• Source

• Patent Number

  3,768,904

• Date Filed

  Not available

• Date Issued

  Tuesday, October 30, 1973
  51 years ago

• CPC

  • G03G15/30 - in which projection is formed on a drum
  • B41B23/00 - Auxiliary devices for modifying, mixing or correcting text or lay-out in connection with photographic or photoelectronic composing
  • B41B27/00 - Control, indicating, or safety devices or systems for composing machines of various kinds or types

• US Classifications

  • 355 - Photocopying
  • 226 - Advancing material of indeterminate length
  • 399 - Electrophotography