In re Holst

This is an appeal from a decision of the Board of Appeals of the Patent Office affirming a decision of the examiner in which he held unpatentable, in view of the prior art, all claims of appellant’s application for patent for alleged “ improvements in or relating to £ electric discharge tubes with two or more electrodes.’ ”

The claims were 12 in number, but appellant, before us, files a withdrawal of Nos. 2, 3, 6, 8, 9, 10, and 12, and restricts the appeal to claims 1, 4, 5, 7, and 11.

The essence of the claimed invention seems to lie in a combination wherein there is hermetical sealing of…