Concessão da patente
#16.1
09/27/1988
RPI 936
The letters patent expired on 12/07/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 09/27/1988. We update with every new RPI gazette, published weekly.
Applicants
Champion Spark Plug Company
US
Inventors
M. A. (pessoa física)
S. I. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/27/1988
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