3552842

Information

• Patent Grant
• 3552842

• References
• Source

• Patent Number

  3,552,842

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1971
  54 years ago

• CPC

  • G03B21/40 - Eliminating or reducing effect of flicker

• US Classifications

  • 352 - Optics: motion pictures
  • 242 - Winding, tensioning, or guiding