3713221

Information

• Patent Grant
• 3713221

• References
• Source

• Patent Number

  3,713,221

• Date Filed

  Not available

• Date Issued

  Tuesday, January 30, 1973
  51 years ago

• CPC

  • A61C5/023 - Root canal files; Handgrips or guiding means therefor
  • A61C1/04 - with treadle or manual drive
  • A61C5/025 - Depth control

• US Classifications

  • 433 - Dentistry