3337660

Information

• Patent Grant
• 3337660

• References
• Source

• Patent Number

  3,337,660

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1967
  57 years ago

• CPC

  • G02B5/10 - with curved faces
  • B29C39/00 - Shaping by casting
  • B29C51/008 - without using a mould
  • B29C51/14 - using multilayered preforms or sheets
  • B29D11/00596 - Mirrors
  • Y10S359/90 - Methods

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 359 - Optical: systems and elements