2256440

Information

• Patent Grant
• 2256440

• References
• Source

• Patent Number

  2,256,440

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1941
  83 years ago

• CPC

  • F16H61/0262 - the signals being hydraulic
  • F16H2708/20 - the control being hydraulic or pneumatic
  • Y10S74/02 - Miscellaneous control systems
  • Y10T74/19247 - Preselector

• US Classifications

  • 251 - Valves and valve actuation
  • 074 - Machine element or mechanism