1792494

Information

• Patent Grant
• 1792494

• References
• Source

• Patent Number

  1,792,494

• Date Filed

  Not available

• Date Issued

  Tuesday, February 17, 1931
  94 years ago

• CPC

  • G11B3/48 - Needles contains no documents
  • Y10S76/04 - Chromium

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • 030 - Cutlery
  • 076 - Metal tools and implements, making