Concessão da patente
#16.1
07/25/1989
RPI 979
The letters patent expired on 11/07/1995: 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: 07/25/1989. We update with every new RPI gazette, published weekly.
Applicants
Duratex Sociedade Anônima
SP, BR
Inventors
D. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/25/1989
RPI 979
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01/10/1989
RPI 951
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11/05/1985
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