3632696

Information

• Patent Grant
• 3632696

• References
• Source

• Patent Number

  3,632,696

• Date Filed

  Not available

• Date Issued

  Tuesday, January 4, 1972
  53 years ago

• CPC

  • B29D11/00019 - with non-spherical faces
  • B29C33/0038 - with sealing means or the like
  • G02B3/0081 - having one or more elements with analytic function to create variable power
  • G02C7/02 - Lenses Lens systems; Methods of designing lenses
  • B29L2031/7602 - Maps
  • Y10S359/90 - Methods

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 351 - Optics: eye examining, vision testing and correcting
  • 359 - Optical: systems and elements