2339708

Information

• Patent Grant
• 2339708

• References
• Source

• Patent Number

  2,339,708

• Date Filed

  Not available

• Date Issued

  Tuesday, January 18, 1944
  81 years ago

• CPC

  • B24B13/02 - by means of tools with abrading surfaces corresponding in shape with the lenses to be made
  • Y10S451/906 - Machine element or unit
  • Y10T74/18808 - with rack

• US Classifications

  • 192 - Clutches and power-stop control
  • 074 - Machine element or mechanism
  • 451 - Abrading