1943109

Information

• Patent Grant
• 1943109

• References
• Source

• Patent Number

  1,943,109

• Date Filed

  Not available

• Date Issued

  Tuesday, January 9, 1934
  91 years ago

• CPC

  • H01J29/866 - Devices for introducing a recording support into the vessel

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems