3881814

Information

• Patent Grant
• 3881814

• References
• Source

• Patent Number

  3,881,814

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1975
  49 years ago

• CPC

  • G03B23/046 - Picture changing devices
  • G03B23/02 - in which a picture is removed from a stock and returned to the same stock or another one Magazines therefor
  • G03B23/14 - Carriers operable to move pictures into, and out of, the projection or viewing position and carrying one or two pictures only in a removable manner also other devices not provided with a stock

• US Classifications

  • 353 - Optics: image projectors