2525664

Information

• Patent Grant
• 2525664

• References
• Source

• Patent Number

  2,525,664

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1950
  74 years ago

• CPC

  • B29C35/0894 - provided with masks or diaphragms
  • B29D11/00 - Producing optical elements
  • B29D11/00163 - Movable masks or shutters
  • B29D11/00442 - Curing the lens material
  • B29D11/00596 - Mirrors
  • G02B1/041 - Lenses
  • B29K2105/0002 - monomers or prepolymers
  • B29K2995/0026 - Transparent
  • Y10S425/808 - Lens mold

• US Classifications

  • 522 - Synthetic resins or natural rubbers
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus