3734597

Information

• Patent Grant
• 3734597

• References
• Source

• Patent Number

  3,734,597

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1973
  52 years ago

• CPC

  • B41M5/281 - using liquid crystals only
  • C09K19/544 - as dispersing or encapsulating medium around the liquid crystal
  • G02F1/1334 - based on polymer dispersed liquid crystals
  • G09G3/001 - using specific devices not provided for in groups G09G3/02 - G09G3/36
  • H01J29/10 - Screens on or from which an image or pattern is formed, picked up, converted or stored
  • H01J29/14 - acting by discoloration

• US Classifications

  • 349 - Liquid crystal cells, elements and systems