3727311

Information

• Patent Grant
• 3727311

• References
• Source

• Patent Number

  3,727,311

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1973
  51 years ago

• CPC

  • A61C11/027 - with a hinge made of resilient material
  • A61C11/008 - made of wires

• US Classifications

  • 433 - Dentistry