Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Magnet structure or material
Reexamination Certificate
2006-03-21
2006-03-21
Donovan, Lincoln (Department: 2832)
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Magnet structure or material
Reexamination Certificate
active
07015781
ABSTRACT:
A magnetic circuit member contains spherical and/or caterpillar-shaped graphite dispersed in a ferritic iron matrix including silicon.
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patent: 4435226 (1984-03-01), Neuhauser et al.
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patent: 6294738 (2001-09-01), Seuntjens
patent: 58126959 (1983-07-01), None
patent: 63266040 (1988-11-01), None
Matsumoto Akikazu
Yagi Wataru
Aisin Seiki Kabushiki Kaisha
Donovan Lincoln
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Rojas Bernard
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