3365980

Information

• Patent Grant
• 3365980

• References
• Source

• Patent Number

  3,365,980

• Date Filed

  Not available

• Date Issued

  Tuesday, January 30, 1968
  56 years ago

• CPC

  • B24B13/02 - by means of tools with abrading surfaces corresponding in shape with the lenses to be made
  • Y10T74/2181 - Variable

• US Classifications

  • 074 - Machine element or mechanism
  • 451 - Abrading