Application of Stephen A. Szumski

KIRKPATRICK, Judge.

This appeal is from the decision of the Board of Appeals of the United States Patent Office affirming the examiner’s rejection of claims 1 through 9 of the appellant’s application Serial No. 446,967, filed July 30, 1954, for “Method for Producing Antibiotics.” At the hearing, the appellant withdrew the appeal as to claim 1, leaving claims 2 through 9 for our consideration.

Claim 2, which is taken as illustrative, reads as follows:

“2. An improved process for producing tetracycline antibiotics which comprises propagating a microorganism of the genus Streptomyces in a medium…