2508972

Information

• Patent Grant
• 2508972

• References
• Source

• Patent Number

  2,508,972

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1950
  74 years ago

• CPC

  • E05D15/1021 - involving movement in a third direction
  • E05D2015/1036 - the arms being movable in vertical
  • E05Y2900/132 - Doors

• US Classifications

  • 414 - Material or article handling