3654774

Information

• Patent Grant
• 3654774

• References
• Source

• Patent Number

  3,654,774

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1972
  52 years ago

• CPC

  • A44C7/006 - with a pivotable back clamping arm

• US Classifications

  • 063 - Jewelry