3217623

Information

• Patent Grant
• 3217623

• References
• Source

• Patent Number

  3,217,623

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1965
  59 years ago

• CPC

  • G03B41/026 - combined with slit

• US Classifications

  • 396 - Photography
  • 352 - Optics: motion pictures
  • 359 - Optical: systems and elements