3835665

Information

• Patent Grant
• 3835665

• References
• Source

• Patent Number

  3,835,665

• Date Filed

  Not available

• Date Issued

  Tuesday, September 17, 1974
  50 years ago

• CPC

  • A44C17/006 - Gems provided with a cavity

• US Classifications

  • 063 - Jewelry
  • 250 - Radiant energy
  • D11 - Jewelry, symbolic insignia, and ornaments