3494077

Information

• Patent Grant
• 3494077

• References
• Source

• Patent Number

  3,494,077

• Date Filed

  Not available

• Date Issued

  Tuesday, February 10, 1970
  55 years ago

• CPC

  • B24B13/023 - for grinding several lenses simultaneously
  • Y10T74/18184 - Crank, pitman, and lever

• US Classifications

  • 451 - Abrading
  • 074 - Machine element or mechanism