1513813

Information

• Patent Grant
• 1513813

• References
• Source

• Patent Number

  1,513,813

• Date Filed

  Not available

• Date Issued

  Tuesday, November 4, 1924
  100 years ago

• CPC

  • B24B13/02 - by means of tools with abrading surfaces corresponding in shape with the lenses to be made
  • B24B55/02 - Equipment for cooling the grinding surfaces
  • Y10S29/054 - Fluid control interrelated with machine tool mechanism
  • Y10S29/088 - by projecting, squirting or dripping

• US Classifications

  • 451 - Abrading
  • 029 - Metal working