Application of Lee Wilson and Edwin A. Corns

RICH, Judge.

This appeal is from the decision of the Patent Office Board of Appeals affirming the examiner’s rejection of claims 1-10,12,13, and 20-22 in application Ser. No. 639,939, filed February 13, 1957, entitled “Method of and Apparatus for Annealing Strip Metal.”

Claim 10 sets forth appellants’ method comprehensively. We have divided it into its steps and added the bracketed letters. It reads:

“10. The method of annealing strip metal which includes the steps of

“[a] re-coiling an unannealed tightly wound coil of said strip metal into an opened coil by “[b] interwinding a spacer strand…