3171752

Information

• Patent Grant
• 3171752

• References
• Source

• Patent Number

  3,171,752

• Date Filed

  Not available

• Date Issued

  Tuesday, March 2, 1965
  61 years ago

• CPC

  • B29D11/00 - Producing optical elements
  • A61F9/00 - Method or devices for treatment of the eyes Devices for putting-in contact lenses Devices to correct squinting Apparatus to guide the blind Protective devices for the eyes, carried on the body or in the hand
  • A61L12/148 - Mercury containing compounds

• US Classifications

  • 514 - Drug, bio-affecting and body treating compositions
  • 106 - Compositions: coating or plastic
  • 351 - Optics: eye examining, vision testing and correcting