Carta-patente expirada
#21.1
08/16/1988
RPI 930
The letters patent expired on 08/16/1988: 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: 08/16/1988. We update with every new RPI gazette, published weekly.
Applicants
B. C. (pessoa física)
CARDOSO E
Inventors
B. C. (pessoa física)
C. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
08/16/1988
RPI 930
09/23/1986
RPI 831
#20.1
10/23/1984
RPI 731
#16.1
06/29/1982
RPI 610
From the same holder
Same category
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