2025900

Information

• Patent Grant
• 2025900

• References
• Source

• Patent Number

  2,025,900

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1935
  89 years ago

• CPC

  • G11B3/093 - Means coupled to the cover

• US Classifications

  • 369 - Dynamic information storage or retrieval