In re Glass

MARKEY, Chief Judge.

This is an appeal from the decision of the Patent Office Board of Appeals affirming the examiner’s rejection of claims 1-3, 6-12, 15-20, and 27-41. We affirm as to some claims and reverse as to others.

*1390THE INVENTION

Appellant’s application, entitled “Rocket and Propellant Therefor”, serial number 720,429, filed January 23, 1968, discloses a rocket shell formed of abutting rings and filled with a solid propellant arranged in concave layers, each layer connected to a ring, and a series of concave, foraminous screens embedded in the propellant and attached to the rings, the…