Application of Russell B. Newton

ALMOND, Judge.

This is an appeal from the decision of the Patent Office Board of Appeals affirming the rejection of claims 6 and 7, the sole claims in appellant’s application entitled “Pneumatic Cleaner.” 1

The invention relates particularly to vacuum clearing apparatus for clearing of lint and fiber from textile rolls such as those associated with spinning frames, roving frames, and the like. Looking at the top roll vacuum clearer 32, shown in cross-section in Fig. 2, reproduced below, it can be seen that it consists basically of an oval-shaped hollow shoe member 38 which engages the top front…