1796970

Information

• Patent Grant
• 1796970

• References
• Source

• Patent Number

  1,796,970

• Date Filed

  Not available

• Date Issued

  Tuesday, March 17, 1931
  93 years ago

• CPC

  • G03B21/36 - Fades, dissolves, or wipes

• US Classifications

  • 352 - Optics: motion pictures
  • 369 - Dynamic information storage or retrieval