3154303

Information

• Patent Grant
• 3154303

• References
• Source

• Patent Number

  3,154,303

• Date Filed

  Not available

• Date Issued

  Tuesday, October 27, 1964
  60 years ago

• CPC

  • E05F15/59 - for overhead wings
  • E05F15/44 - responsive to changes in electrical conductivity
  • E05Y2201/20 - Brakes Disengaging means
  • E05Y2201/246 - by motors, magnets, springs or weights
  • E05Y2201/458 - Valves
  • E05Y2201/462 - Electromagnets
  • E05Y2400/52 - Safety arrangements
  • E05Y2800/254 - the elements not functioning in case of emergency
  • Y10S60/903 - Closures operators

• US Classifications

  • 052 - Static structures
  • 049 - Movable or removable closures
  • 060 - Power plants