1893955

Information

• Patent Grant
• 1893955

• References
• Source

• Patent Number

  1,893,955

• Date Filed

  Not available

• Date Issued

  Tuesday, January 10, 1933
  92 years ago

• CPC

  • B24B13/02 - by means of tools with abrading surfaces corresponding in shape with the lenses to be made
  • B23Q11/08 - Protective coverings for parts of machine tools Splash guards
  • B23Q11/10 - Arrangements for cooling or lubricating tools or work
  • B24B55/02 - Equipment for cooling the grinding surfaces
  • Y10S29/072 - Dip or splash supply

• US Classifications

  • 451 - Abrading
  • 029 - Metal working