Two position pressure demand inlet port adaptor

FIG. 1 is a perspective view of a two position pressure demand inlet port adaptor, showing the new design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a right-side elevational view thereof.

FIG. 5 is a left-side elevational view thereof.

FIG. 6 is a top plan view thereof.

FIG. 7 is a bottom plan view thereof.

FIG. 8 is a perspective view of a second embodiment of a two position pressure demand inlet port adaptor, showing the new design.

FIG. 9 is a front elevational view of the second embodiment shown in FIG. 8. The rear right side, left side, bottom and top elevational views are the same as those corresponding views illustrated in reference to the first embodiment.

FIG. 10 is a perspective view of a third embodiment of a two position pressure demand inlet port adaptor, showing the new design.

FIG. 11 is a front elevational view of the third embodiment shown in FIG. 10. The rear right side, bottom and top elevational views are the same as those corresponding views illustrated in reference to the first embodiment.

FIG. 12 is a perspective view of a fourth embodiment of a two position pressure demand inlet port adaptor, showing the new design; and,

FIG. 13 is a front elevational view of the fourth embodiment shown in FIG. 12. The rear right side, left side, bottom and top elevational views are the same as those corresponding views illustrated in reference to the first embodiment.

The broken lines shown in the drawings form no part of the claimed design. The shading shown in the drawings is provided merely to indicate the contour of the design; it is not intended to be indicative of any particular texture.