Application of Hubert C. Wynne and Frank Cousen

RICH, Judge.

This appeal is from the decision of the Patent Office Board of Appeals affirming the rejection of claim 1, the only remaining claim of appellants’ application No. 291,822, for a patent entitled “Method of Manufacture of Opaque Glass in Ribbon Form” on the ground of lack of invention over prior art.

The appealed claim reads:

1. A continuous method of manufacturing opaque glass in ribbon form from a slow setting glass composition which comprises continuously drawing molten glass from a reservoir, continuously casting it in ribbon form and continuously feeding the formed ribbon towards…