1979175

Information

• Patent Grant
• 1979175

• References
• Source

• Patent Number

  1,979,175

• Date Filed

  Not available

• Date Issued

  Tuesday, October 30, 1934
  90 years ago

• CPC

  • B24B13/02 - by means of tools with abrading surfaces corresponding in shape with the lenses to be made
  • Y10S451/911 - Tool mounting point

• US Classifications

  • 451 - Abrading