Appeal No. 2002-2189 Page 2
Application No. 09/194,294
(1) the rejection of claims 16-21 and 24-33 under 35 U.S.C. § 102(b) as anticipated
by, or in the alternative, under 35 U.S.C. § 103(a) as obvious over Warren1; and
(2) the rejection of claims 16-33 under 35 U.S.C. § 102(b) as anticipated by, or in the
alternative, under 35 U.S.C. § 103(a) as obvious over Schwellinger2 or Bergsma3.
We have jurisdiction over the appeal pursuant to 35 U.S.C. § 134.
Claim 16 illustrates the subject matter on appeal:
16. A component made of an AlMgSi alloy having high capacity to absorb kinetic energy
by plastic deformation, the alloy containing in wt. %:
silicon 0.40 to 0.80;
magnesium 0.40 to 0.70;
iron max. 0.30;
copper max. 0.20;
manganese max. 0.15;
vanadium 0.05 to 0.20;
chromium max. 0.10;
titanium max. 0.10;
zinc max. 0.10;
further elements each individually at most 0.05, in total at most 0.15; and
a remainder aluminum, wherein the alloy is one of in a partially age hardened
condition T64 and in an over-aged condition T72.
1U.S. Patent 5,527,404 issued to Warren on June 18, 1996.
2U.S. Patent 4,525,326 issued to Schwellinger et al. on June 25, 1985.
3U.S. Patent 5,571,347 issued to Bergsma on November 5, 1996.
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