3334957

Information

• Patent Grant
• 3334957

• References
• Source

• Patent Number

  3,334,957

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1967
  57 years ago

• CPC

  • G03B21/132 - Overhead projectors
  • Y10S353/06 - Head accessories
  • Y10T74/18856 - Oscillating to oscillating

• US Classifications

  • 359 - Optical: systems and elements
  • 074 - Machine element or mechanism
  • 353 - Optics: image projectors