3540209

Information

• Patent Grant
• 3540209

• References
• Source

• Patent Number

  3,540,209

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1970
  54 years ago

• CPC

  • G02F1/05 - with ferro-electric properties
  • C09K19/00 - Liquid crystal materials
  • G02F1/13 - based on liquid crystals
  • G04G9/062 - using multiplexing techniques
  • G02F1/055 - the active material being a ceramic

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 252 - Compositions
  • 968 - Horology