Pedido de licença compulsória
#20.1
02/21/1989
RPI 957
The letters patent expired on 07/20/1993: 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: 02/21/1989. We update with every new RPI gazette, published weekly.
Applicants
CHAMPION SPARK PLUG CO
Inventors
G. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
02/21/1989
RPI 957
#16.1
08/31/1982
RPI 619
#13.1
01/12/1982
RPI 586
#21.1
07/20/1993
RPI 1181
From the same holder
Same category
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