3522677

Information

• Patent Grant
• 3522677

• References
• Source

• Patent Number

  3,522,677

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1970
  54 years ago

• CPC

  • C03B23/22 - Uniting glass lenses
  • B24B13/00 - Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work Accessories therefor
  • B24B13/005 - Blocking means, chucks or the like Alignment devices
  • B24B13/0052 - Lens block moulding devices

• US Classifications

  • 451 - Abrading
  • 065 - Glass manufacturing