3900254

Information

• Patent Grant
• 3900254

• References
• Source

• Patent Number

  3,900,254

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1975
  49 years ago

• CPC

  • 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