3922081

Information

• Patent Grant
• 3922081

• References
• Source

• Patent Number

  3,922,081

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1975
  49 years ago

• CPC

  • G03B23/18 - with fade-in and fade-out effects

• US Classifications

  • 353 - Optics: image projectors