Carta-patente expirada
#21.1
10/04/1988
RPI 937
The letters patent expired on 10/04/1988: 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: 10/04/1988. We update with every new RPI gazette, published weekly.
Applicants
D. R. (pessoa física)
Inventors
V. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
10/04/1988
RPI 937
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RPI 930
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RPI 771
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