978764

Information

• Patent Grant
• 978764

• References
• Source

• Patent Number

  978,764

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1910
  114 years ago

• CPC

  • B24B13/02 - by means of tools with abrading surfaces corresponding in shape with the lenses to be made
  • Y10S29/063 - Fluid conveyor or applicator
  • Y10S29/071 - Complete immersion of cutter
  • Y10S29/089 - Gas entrained liquid supply
  • Y10S29/09 - Elevated tank supply

• US Classifications

  • 451 - Abrading
  • 029 - Metal working