3196740

Information

• Patent Grant
• 3196740

• References
• Source

• Patent Number

  3,196,740

• Date Filed

  Not available

• Date Issued

  Tuesday, July 27, 1965
  59 years ago

• CPC

  • G09F19/18 - involving the use of optical projection means
  • B61L25/08 - Diagrammatic displays

• US Classifications

  • 353 - Optics: image projectors