Bathroom fixture

Claim 1

A FIXTURE MOUNTING COMPRISING A WALL HAVING ARECTANGULAR APERTURE THERETHROUGH, A CONCAVE RECEPTACLE FORMED OF RESILIENT SHEET MATERIAL AND HAVING A RECTANGULAR CENTRAL PORTION AND FOUR RECTANGULAR SIDE PORTIONS WHICH EXTEND FROM THE RESPECTIVE SIDES OF SAID CENTRAL PORTION, ONE OPPOSITE PAIR OF SAID SIDE PORTIONS EXTENDING A LESSER DISTANCE FROM SAID CENTRAL PORTION THAN THE OTHER OPPOSITE PAIR OF SAID PORTIONS, SAID RECEPTACLE PROJECTING THROUGH SAID APERTURE WITH THE CONCAVE PORTION THEREOF FACING FORWARDLY, SAID ONE PAIR OF SIDE PORTIONS DIVERGING LINEARLY FROM ONE ANOTHER AS THEY EXTEND FROM SAID CENTRAL PORTION TO THE DISTAL ENDS OF SAID ONE PAIR OF SIDE PORTIONS WHICH DISTAL ENDS ENGAGE THE REARWARD FACE OF SAID WALL AT LOCATIONS SPACED FROM SAID APERTURE, A PAIR OF FLANGES ON THE DISTAL ENDS OF SAID OTHER SIDE PORTIONS, SAID FLANGES EXTENDING AWAY FROM ONE ANOTHER GENERALLY PARALLEL TO THE CENTRAL PORTION OF SAID RECEPTACLE AND SUPPORTED ON THE FORWARD FACE OF SAID WALL, PLASTER OF PARIS FILLING SAID RECEPTACLE AND ENGAGING THE REARWARD FACE OF SAID WALL, AND A FIXTURE SEATED IN SAID PLASTER OF PARIS AND EXTENDING THROUGH SAID APERTURE.