3257757

Information

• Patent Grant
• 3257757

• References
• Source

• Patent Number

  3,257,757

• Date Filed

  Not available

• Date Issued

  Tuesday, June 28, 1966
  58 years ago

• CPC

  • E05F15/50 - using fluid-pressure actuators
  • Y10S60/903 - Closures operators

• US Classifications

  • 049 - Movable or removable closures
  • 060 - Power plants