Appeal No. 99-0047
Application 08/574,792
The references relied upon by the examiner as evidence of
obviousness are:
Buckeridge et al. (Buckeridge) 2,649,955 Aug. 25,
1953
Ratz et al. (Ratz) 3,834,524 Sep. 10,
1974 Duffy 3,899,071 Aug.
12, 1975
Kuraki et al., Japanese Patent 61-114916 Jun. 2,
1986 Document (Kuraki)2
Yasuhara, Japanese Patent 3-98990 Apr. 24,
1991
Document2
Kobayashi, Japanese Patent 5-246676 Sep. 24,
1993
Document2
Claims 1 through 13 stand rejected under 35 U.S.C. §
103(a) as being unpatentable over Kobayashi or Yasuhara in
view of Kuraki, Buckeridge, Duffy or Ratz.
Kobayashi and Yasuhara, the examiner’s alternative
primary references, disclose methods and devices for
monitoring the speed of handrails used in escalators and like
passenger conveyors. The handrails include spaced magnetic or
metallic elements (16 in Kobayashi and 30 in Yasuhara) which
2 An English language translation of this reference,
prepared by or on behalf of the Patent and Trademark Office,
is appended hereto.
4
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