3674488

Information

• Patent Grant
• 3674488

• References
• Source

• Patent Number

  3,674,488

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1972
  53 years ago

• CPC

  • H01J9/142 - of shadow-masks for colour television tubes
  • G03F1/00 - Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles Mask blanks or pellicles therefor Containers specially adapted therefor Preparation thereof
  • Y10S430/152 - Making camera copy

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof