3635554

Information

• Patent Grant
• 3635554

• References
• Source

• Patent Number

  3,635,554

• Date Filed

  Not available

• Date Issued

  Tuesday, January 18, 1972
  53 years ago

• CPC

  • G03G15/30 - in which projection is formed on a drum
  • G03G15/04081 - Exposure from behind the photoconductive surface

• US Classifications

  • 399 - Electrophotography
  • 355 - Photocopying