Electric lamp or space discharge component or device manufacturi – Process – Spark plug or spark gap making
Reexamination Certificate
2006-10-31
2006-10-31
Santiago, Mariceli (Department: 2879)
Electric lamp or space discharge component or device manufacturi
Process
Spark plug or spark gap making
C313S118000, C313S143000
Reexamination Certificate
active
07128630
ABSTRACT:
A spark plug includes a ceramic component, whose surface is at least in part coated with a glaze, with the glaze containing 0.6% to 4% by weight of fluoride and 6% to 11.2% by weight of zinc oxide.
REFERENCES:
patent: 5859491 (1999-01-01), Nishikawa et al.
patent: 6492289 (2002-12-01), Suzuki et al.
patent: 6566792 (2003-05-01), Nishikawa
patent: 6752677 (2004-06-01), Nishikawa et al.
patent: 788 204 (1997-08-01), None
patent: 1 168 546 (2002-01-01), None
Geier Heinz
Pollner Rudolf
Kenyon & Kenyon LLP
Quarterman Kevin
Robert & Bosch GmbH
Santiago Mariceli
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