3233509

Information

• Patent Grant
• 3233509

• References
• Source

• Patent Number

  3,233,509

• Date Filed

  Not available

• Date Issued

  Tuesday, February 8, 1966
  59 years ago

• CPC

  • G03F7/7045 - Hybrid exposure, i.e. combining different types of exposure
  • G03F7/70466 - Multiple exposures
  • H05K3/0002 - for manufacturing artworks for printed circuits
  • H05K2203/056 - Using an artwork
  • Y10S430/152 - Making camera copy
  • Y10T29/49155 - Manufacturing circuit on or in base

• US Classifications

  • 355 - Photocopying
  • 029 - Metal working
  • 352 - Optics: motion pictures
  • 353 - Optics: image projectors
  • 396 - Photography
  • 430 - Radiation imagery chemistry: process, composition, or product thereof