2181112

Information

• Patent Grant
• 2181112

• References
• Source

• Patent Number

  2,181,112

• Date Filed

  Not available

• Date Issued

  Tuesday, November 21, 1939
  85 years ago

• CPC

  • G11B15/70 - The record carrier being an endless loop record carrier
  • G11B23/22 - of endless belts of tapes forming Moebius loops

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • 242 - Winding, tensioning, or guiding
  • 352 - Optics: motion pictures