3101558

Information

• Patent Grant
• 3101558

• References
• Source

• Patent Number

  3,101,558

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1963
  61 years ago

• CPC

  • G09F19/12 - using special optical effects
  • G01J3/461 - with colour spinners
  • G09F19/18 - involving the use of optical projection means
  • Y10T74/19084 - Spur

• US Classifications

  • 434 - Education and demonstration
  • 074 - Machine element or mechanism
  • 359 - Optical: systems and elements