3490408

Information

• Patent Grant
• 3490408

• References
• Source

• Patent Number

  3,490,408

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1970
  55 years ago

• CPC

  • G08B1/04 - using hydraulic transmission using pneumatic transmission
  • F15C1/003 - for process regulation, (
  • G08B7/04 - using hydraulic transmission using pneumatic transmission
  • Y10S200/05 - Fluid pressure: fluid amplifier
  • Y10T137/2065 - Responsive to condition external of system

• US Classifications

  • 116 - Signals and indicators
  • 137 - Fluid handling
  • 139 - Textiles: weaving
  • 200 - Electricity: circuit makers and breakers
  • 235 - Registers