3748764

Information

• Patent Grant
• 3748764

• References
• Source

• Patent Number

  3,748,764

• Date Filed

  Not available

• Date Issued

  Tuesday, July 31, 1973
  51 years ago

• CPC

  • F15C1/007 - for indicating devices for fluid signals
  • G08B5/06 - using hydraulic transmission using pneumatic transmission
  • G09F9/46 - in which the desired character is selected from a number of characters arranged one behind the other

• US Classifications

  • 040 - Card, picture, or sign exhibiting