In re Pirani

This is an appeal from a decision of the Board of Appeals of the United States Patent Office, affirming a decision of the examiner, rejecting claims 1, 2, 3, 6, 7, and 8 of appellants’ application. The rejection of said claims was upon the ground that they were not patentable over the cited prior art. Claims 4 and 5 of said application were allowed.

Claims 1, 3 and 6 are illustrative of the claims on appeal and read as follows:

1. In a positive column electric discharge lamp, a container, a filling of gas therein, electrodes therefor, and a rod of gas evolving material in operative relation to…