In re Pollack

This is an appeal from the decision of the Board of Appeals of the United States Patent Office affirming the action of the Primary Examiner in rejecting all of appellants’ claims, 21 to 27, inclusive, for a patent alleging “new and useful improvements in Impregnated Fibrous Product.”

Appellants have moved in their brief to withdraw the appeal with respect to claim 28, which motion will be granted.

The appealed claims were rejected on the following references:

Baird et al., 2,133,183, October 11, 1938.

Shand et al., 2,209,850, July 30,1940.

*1157Palm et al., 2,219,054, October 22,1940.

Rothrock,…