3383752

Information

• Patent Grant
• 3383752

• References
• Source

• Patent Number

  3,383,752

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1968
  56 years ago

• CPC

  • B28D5/00 - Fine working of gems, jewels, crystals
  • G11B3/44 - Styli
  • Y10T29/49577 - Phonograph component making
  • Y10T29/49764 - with testing or indicating
  • Y10T83/0304 - Grooving

• US Classifications

  • 029 - Metal working
  • 083 - Cutting
  • 369 - Dynamic information storage or retrieval