1487131

Information

• Patent Grant
• 1487131

• References
• Source

• Patent Number

  1,487,131

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1924
  100 years ago

• CPC

  • G11B3/54 - Storing manipulating

• US Classifications

  • 206 - Special receptacle or package
  • 015 - Brushing, scrubbing, and general cleaning
  • 220 - Receptacles
  • 369 - Dynamic information storage or retrieval