In re Russell

This is an appeal from a decision of the Board of Appeals of the United States Patent Office affirming- decisions of the Primary Examiners of Divisions 14 and 32 rejecting claims 14,16 to 21 inclusive, 23 and 24 of ah application for a patent on “Filter Medium and Method of Production.” No claims were 'allowed. Claims 16 to 21, inclusive, are method claims and were rejected by the examiner of Division 14. Article claims 14, 23 and 24 were rejected by the examiner of Division 32.

The method claims were rejected as not defining invention over any one of the following cited art:

Schaefer…