3148537

Information

• Patent Grant
• 3148537

• References
• Source

• Patent Number

  3,148,537

• Date Filed

  Not available

• Date Issued

  Tuesday, September 15, 1964
  60 years ago

• CPC

  • H03F1/33 - in discharge-tube amplifiers
  • G01L23/00 - Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
  • G01R13/04 - for producing permanent records

• US Classifications

  • 073 - Measuring and testing
  • 235 - Registers
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 333 - Wave transmission lines and networks
  • 708 - Electrical computers: arithmetic processing and calculating