1756864

Information

• Patent Grant
• 1756864

• References
• Source

• Patent Number

  1,756,864

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1930
  95 years ago

• CPC

  • G03B1/34 - Beaters

• US Classifications

  • 226 - Advancing material of indeterminate length
  • 369 - Dynamic information storage or retrieval