1972845

Information

• Patent Grant
• 1972845

• References
• Source

• Patent Number

  1,972,845

• Date Filed

  Not available

• Date Issued

  Tuesday, September 4, 1934
  90 years ago

• CPC

  • E05D15/401 - specially adapted for overhead wings
  • E05D2700/12 - Suspension devices for doors or windows movable in a direction perpendicular to their plane or pivotable about an axis being situated at a considerable distance from the edge of the wing by means of pivot arms
  • E05Y2900/148 - Windows

• US Classifications

  • 454 - Ventilation
  • 049 - Movable or removable closures