3628268

Information

• Patent Grant
• 3628268

• References
• Source

• Patent Number

  3,628,268

• Date Filed

  Not available

• Date Issued

  Tuesday, December 21, 1971
  53 years ago

• CPC

  • G09G3/3603 - with thermally addressed liquid crystals
  • F15C1/007 - for indicating devices for fluid signals
  • G05D23/27 - with sensing element responsive to radiation
  • G09F9/30 - in which the desired character or characters are formed by combining individual elements
  • G09F13/26 - Signs formed by electric discharge tubes

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 252 - Compositions
  • 359 - Optical: systems and elements