3111878

Information

• Patent Grant
• 3111878

• References
• Source

• Patent Number

  3,111,878

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1963
  62 years ago

• CPC

  • A63J15/00 - Peep-shows
  • G02B27/04 - having collapsible parts
  • G02B27/08 - Kaleidoscopes

• US Classifications

  • 359 - Optical: systems and elements
  • 346 - Recorders
  • 353 - Optics: image projectors