3572925

Information

• Patent Grant
• 3572925

• References
• Source

• Patent Number

  3,572,925

• Date Filed

  Not available

• Date Issued

  Tuesday, March 30, 1971
  53 years ago

• CPC

  • G03F7/70275 - Multiple projection paths, array of projection systems, microlens projection systems, tandem projection systems
  • G03B27/44 - for multiple copying of the same original at the same time
  • G03F7/70716 - Stages
  • G03F7/70775 - Position control
  • G03F7/70883 - of optical system
  • G05B19/188 - characterised by special applications and not provided for in the relevant subclasses, (

• US Classifications

  • 355 - Photocopying
  • 700 - Data processing: generic control systems or specific applications