Appeal No. 1999-0778
Application No. 08/710,685
The appellants claim a refined magnesium or magnesium
alloy ingot or billet which has a recited composition and has
no substantial porosity. Claim 18 is illustrative:1
1The appellants’ specification (page 9, lines 14-16;
page 9, line 24 - page 10, line 2) indicates that “no
substantial porosity” means that the ingot or billet has less
than 5 pores per 40 cm which are larger than 0.5 mm in2
diameter, and has at most 100 pores per 40 cm which are 2
smaller than 0.5 mm in diameter.
2
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