909320

Information

• Patent Grant
• 909320

• References
• Source

• Patent Number

  909,320

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1909
  116 years ago

• CPC

  • B61D15/08 - Railway inspection trolleys
  • Y10T137/0923 - By pendulum or swinging member
  • Y10T137/87153 - Plural noncommunicating flow paths

• US Classifications

  • 246 - Railway switches and signals
  • 048 - Gas: heating and illuminating
  • 137 - Fluid handling
  • 251 - Valves and valve actuation
  • 303 - Fluid-pressure and analogous brake systems