Appeal No. 2002-2274
Application No. 08/387,158
protection anode which includes the alloy. Claims 33, 39, 45
and 66 are illustrative:
33. A reinforced concrete structure comprising a cementitious
material, metal reinforcement, and a cathodic protection
anode, said anode comprising an alloy of about 20% to about
50% Zn, 0.11% to about 0.6% In and the balance Al.
39. A reinforced concrete structure comprising a cementitious
material, metal reinforcement, and a cathodic protection
anode, said anode consisting essentially of an alloy of
about 10% to about 50% Zn, 0.11% to about 0.6% In and the
balance Al.
45. An alloy for a sacrificial anode comprising about 20% to
about 50% of Zn, 0.11% to about 0.6% In, about 0.0005% to
about 0.3% of at least one metal selected from Zr, Si, Ce,
Ti, and B, and the balance Al.
66. An alloy for a sacrificial anode consisting essentially of
about 10% to about 50% of Zn, 0.11% to about 0.6% In, about
0.02% to about 0.2% of Ce and the balance Al.
THE REFERENCES
Sakano et al. (Sakano) 3,172,760 Mar. 9, 1965
Apostolos 4,506,485 Mar. 26, 1985
Linder et al. (Linder) 4,740,355 Apr. 26, 1988
Kuramoto et al. (JP ‘637) 2-149637 Jun. 8, 1990
(Japanese kokai)
Hanazaki et al. (JP ‘683) 4-66683 Mar. 3, 1992
(Japanese kokai)
Kuramoto (JP ‘128) 4-157128 May 29, 1992
(Japanese kokai)
THE REJECTIONS
The claims stand rejected under 35 U.S.C. § 103 as follows:
claims 33, 34, 39-41, 43, 44, 46-48, 52, 55, 58 and 61 over
Linder or Sakano, in view of Apostolos and the appellants’
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