3074181

Information

• Patent Grant
• 3074181

• References
• Source

• Patent Number

  3,074,181

• Date Filed

  Not available

• Date Issued

  Tuesday, January 22, 1963
  62 years ago

• CPC

  • G09B29/00 - Maps Plans Charts Diagrams
  • Y10S430/152 - Making camera copy

• US Classifications

  • 434 - Education and demonstration
  • 430 - Radiation imagery chemistry: process, composition, or product thereof