Pedido de licença compulsória
#20.1
08/08/1989
RPI 981
The letters patent expired on 03/19/1996: 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: 08/08/1989. We update with every new RPI gazette, published weekly.
Applicants
PPG Industries, Inc
US
Inventors
R. J. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
08/08/1989
RPI 981
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