3687545

Information

• Patent Grant
• 3687545

• References
• Source

• Patent Number

  3,687,545

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1972
  52 years ago

• CPC

  • H01K1/68 - with built-in spark gap
  • G02B27/642 - Optical derotators, i.e. systems for compensating for image rotation
  • G03B27/527 - as a whole in a translatory movement

• US Classifications

  • 355 - Photocopying
  • 399 - Electrophotography