Walk-in stairwell closet

Claim 1

IN A BUILDING CONSTRUCTION INCLUDING UPPER AND LOWER LEVELS WITH A FLOOR ON EACH OF THE LEVELS, A CEILING STRUCTURE OVER THE UPPER LEVEL, AN OPENING IN THE FLOOR OF THE UPPER LEVEL, A STAIRWAY CONNECTED AT ITS TOP END TO THE FLOOR OF THE UPPER LEVEL AT ONE END OF THE OPENING, THE STAIRWAY EXTENDING DOWN THROUGH THE OPENING TO THE FLOOR OF THE LOWER LEVEL, A SHORT VERTICAL WALL EXTENDING DOWN FROM THE CEILING STRUCTURE DIRECTLY ABOVE THE TOP END OF THE STAIRWAY, THE SHORT VERTICAL WALL TERMINATING AT ITS LOWER END A SUBSTANTIAL DISTANCE ABOVE THE TOP END OF THE STAIRWAY, A LONG VERTICAL WALL EXTENDING BETWEEN THE CEILING STRUCTURE AND THE FLOOR OF THE UPPER LEVEL DIRECTLY ABOVE THE BOTTOM END OF THE STAIRWAY, AN INCLINED PANEL SECURED TO THE LOWER ENDS OF THE VERTICAL WALLS AND BEING GENERALLY PARALLEL TO THE STAIRWAY AND POSITIONED DIRECTLY ABOVE THE STAIRWAY, VERTICAL SIDEWALLS ABOVE THE SIDES OF THE STAIRWAY AND EXTENDING DOWNWARDLY FROM THE CEILING STRUCTURE AT LEAST TO THE INCLINED PANEL, THE VERTICAL WALLS, INCLINED PANEL AND THAT PORTION OF THE CEILING STRUCTURE WITHIN THE VERTICAL WALLS DEFINING AN ENCLOSED SPACE, THE IMPROVEMENT OF, A RECTANGULAR OPENING IN THE INCLINED PANEL WITH THE LOWER ENDS OF THE INCLINED EDGES OF SAID RECTANGULAR OPENING TERMINATING AT THE LOWER END OF THE LONG VERTICAL WALL, SAID INCLINED EDGES BEING SUBSTANTIALLY AS LONG AS THE HORIZONTAL DISTANCE BETWEEN THE SHORT AND LONG VERTICAL WALLS, A RAMP IN SAID OPENING, SAID RAMP HAVING THE LOWER END HINGED TO THE LOWER END OF THE LONG VERTICAL WALL, RELEASABLE LATCH MEANS HOLDING SAID RAMP IN SAID OPENING, AND SAID RAMP BEING ADAPTED TO PIVOT FROM A POSITION WITHIN SAID OPENING TO A HORIZONTAL POSITION WHEREIN THE UPPER END OF SAID RAMP ENGAGES THE TOP END OF THE STAIRWAY AND PROVIDES WALK-IN ACESS FROM THE FLOOR OF THE UPPER LEVEL TO THE ENCLOSED SPACE.