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
12/18/1984
RPI 739
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12/27/1983
RPI 688
#13.1
08/30/1983
RPI 671
#9.1
04/12/1983
RPI 651
#6.1
06/08/1982
RPI 607
From the same holder
Same category
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