2489611

Information

• Patent Grant
• 2489611

• References
• Source

• Patent Number

  2,489,611

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1949
  76 years ago

• CPC

  • F16K35/14 - interlocking two or more valves
  • F24C3/12 - Arrangement for mounting of control and safety devices
  • Y10T70/5615 - Valve
  • Y10T74/2084 - Knob or dial
  • Y10T137/7225 - Mechanical movement between lock and valve
  • Y10T137/7256 - Locks against rotary motion
  • Y10T137/87096 - Valves with separate, correlated, actuators
  • Y10T137/8778 - Spring biased

• US Classifications

  • 126 - Stoves and furnaces
  • 070 - Locks
  • 074 - Machine element or mechanism
  • 137 - Fluid handling