3683891

Information

• Patent Grant
• 3683891

• References
• Source

• Patent Number

  3,683,891

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1972
  52 years ago

• CPC

  • A61B10/04 - Endoscopic instruments
  • A61B2017/00685 - Archimedes screw
  • Y10T408/895 - Having axial, core-receiving central portion
  • Y10T408/898 - Helical ribbon Tool

• US Classifications

  • 600 - Surgery
  • 030 - Cutlery
  • 408 - Cutting by use of rotating axially moving tool
  • 606 - Surgery