3390659

Information

• Patent Grant
• 3390659

• References
• Source

• Patent Number

  3,390,659

• Date Filed

  Not available

• Date Issued

  Tuesday, July 2, 1968
  56 years ago

• CPC

  • F15C1/007 - for indicating devices for fluid signals
  • G08B5/06 - using hydraulic transmission using pneumatic transmission
  • G09F9/40 - in which the desired character is selected from a number of characters arranged one beside the other
  • G09F11/23 - the advertising or display material forming part of rotating members

• US Classifications

  • 116 - Signals and indicators
  • 359 - Optical: systems and elements