1957505

Information

• Patent Grant
• 1957505

• References
• Source

• Patent Number

  1,957,505

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1934
  90 years ago

• CPC

  • F01B25/00 - Regulating, controlling, or safety means
  • F01B2250/004 - Devices for draining or idling of steam cylinders or for uncoupling piston and connecting rod
  • Y10T137/86952 - Locomotive throttle

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation