2023217

Information

• Patent Grant
• 2023217

• References
• Source

• Patent Number

  2,023,217

• Date Filed

  Not available

• Date Issued

  Tuesday, December 3, 1935
  90 years ago

• CPC

  • H04N7/063 - Simultaneous transmission of separate parts of one picture
  • G02B13/08 - Anamorphotic objectives

• US Classifications

  • 348 - Television
  • 359 - Optical: systems and elements