3380201

Information

• Patent Grant
• 3380201

• References
• Source

• Patent Number

  3,380,201

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1968
  56 years ago

• CPC

  • B24B13/0025 - for contact lenses
  • B24B25/00 - Grinding machines of universal type
  • Y10T408/60 - Plural tool-assemblages

• US Classifications

  • 451 - Abrading
  • 074 - Machine element or mechanism
  • 173 - Tool driving or impacting
  • 408 - Cutting by use of rotating axially moving tool