3715497

Information

• Patent Grant
• 3715497

• References
• Source

• Patent Number

  3,715,497

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1973
  51 years ago

• CPC

  • H04N3/06 - having a moving lens or other refractor

• US Classifications

  • 348 - Television
  • 250 - Radiant energy
  • 359 - Optical: systems and elements