2736993

Information

• Patent Grant
• 2736993

• References
• Source

• Patent Number

  2,736,993

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1956
  69 years ago

• CPC

  • B24B13/005 - Blocking means, chucks or the like Alignment devices
  • B24B13/023 - for grinding several lenses simultaneously

• US Classifications

  • 451 - Abrading