2447407

Information

• Patent Grant
• 2447407

• References
• Source

• Patent Number

  2,447,407

• Date Filed

  Not available

• Date Issued

  Tuesday, August 17, 1948
  76 years ago

• CPC

  • A44C17/006 - Gems provided with a cavity

• US Classifications

  • 063 - Jewelry
  • D11 - Jewelry, symbolic insignia, and ornaments