Matter of the Application of Lawrence P. Biefeld

MARTIN, Judge.

This is an appeal from a decision of the Board of Appeals of the United States Patent Office affirming the examiner’s rejection of claims 8 and 9 of appellant’s application serial No. 200,-417, for “Sized Glass Fiber Products.” Two claims were allowed by the examiner.

It appears that newly manufactured thin glass fibers are quickly destroyed by abrasion from contact with other fibers or with parts of machines, and that certain resinous substances do not adhere properly to glass fiber surfaces. Appellant’s invention relates to glass fibers sized with or bearing a thin surface film…