2893725

Information

• Patent Grant
• 2893725

• References
• Source

• Patent Number

  2,893,725

• Date Filed

  Not available

• Date Issued

  Tuesday, July 7, 1959
  65 years ago

• CPC

  • E05F13/04 - by platforms lowered by the weight of the user
  • E05F15/53 - for swinging wings
  • Y10S60/903 - Closures operators

• US Classifications

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