2145866

Information

• Patent Grant
• 2145866

• References
• Source

• Patent Number

  2,145,866

• Date Filed

  Not available

• Date Issued

  Tuesday, February 7, 1939
  85 years ago

• CPC

  • H01J47/02 - Ionisation chambers
  • G01T1/185 - with ionisation chamber arrangements
  • Y10T74/18008 - Oscillating to reciprocating and alternating rotary
  • Y10T74/19609 - Governor control

• US Classifications

  • 250 - Radiant energy
  • 074 - Machine element or mechanism
  • 192 - Clutches and power-stop control
  • 310 - Electrical generator or motor structure
  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems
  • 318 - Electricity: motive power systems
  • 324 - Electricity: measuring and testing
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 346 - Recorders
  • 361 - Electricity: electrical systems and devices