3422168

Information

• Patent Grant
• 3422168

• References
• Source

• Patent Number

  3,422,168

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1969
  56 years ago

• CPC

  • B29D11/00528 - Consisting of two mould halves joined by an annular gasket
  • B29C33/3857 - by making impressions of one or more parts of models
  • B29C33/40 - Plastics
  • B29D11/00423 - Plants for the production of simple or compound lenses
  • B29D11/00432 - Auxiliary operations
  • B29K2901/10 - Thermosetting resins
  • B29L2011/0016 - Lenses
  • Y10S425/201 - Diverse stations
  • Y10S425/808 - Lens mold

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus