3447865

Information

• Patent Grant
• 3447865

• References
• Source

• Patent Number

  3,447,865

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1969
  56 years ago

• CPC

  • G03B41/08 - with rotating transmitting member
  • G03B19/18 - Motion-picture cameras
  • G03B21/18 - Fire preventing or extinguishing
  • G03B21/32 - Details specially adapted for motion-picture projection

• US Classifications

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