3482911

Information

• Patent Grant
• 3482911

• References
• Source

• Patent Number

  3,482,911

• Date Filed

  Not available

• Date Issued

  Tuesday, December 9, 1969
  55 years ago

• CPC

  • G03B21/132 - Overhead projectors
  • G03B35/24 - using apertured or refractive resolving means on screens or between screen and eye
  • Y10S353/05 - Transparency holder accessories
  • Y10S353/06 - Head accessories

• US Classifications

  • 353 - Optics: image projectors