3801194

Information

• Patent Grant
• 3801194

• References
• Source

• Patent Number

  3,801,194

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1974
  50 years ago

• CPC

  • G03B19/26 - with fade-in and fade-out effects

• US Classifications

  • 352 - Optics: motion pictures